The goal of this project is to find out which Star Trek episodes and films really contain specific dates (of the Gregorian calendar variety) or can otherwise be tied to a specific date without resorting to any speculation, like the assumed correspondence of one thousand stardate units to one Earth year, or the unconfirmed idea that stardate XX000.0 corresponds to 1 January.
Fact list[]
- Each fact stated in the following list needs to cite which episode or film it is from.
- Relevant dialogue should be quoted exactly.
- Only enter facts, not speculation.
- No discussion in the list – for discussion, use the sections below this one. Facts without discussion or where all disagreements have been resolved may be transferred from the sections below to this list so long as they include the date in which the episode or film is set to an accuracy of at least one calendar year.
- The columns of this table are as follows:
- Title: the name of the episode or film
- Stardate: the full stardate or range of stardates given in the episode or film
- Date: as much of the date of the episode that is known, given in "YYYY-MM-DD" format
- Reasoning: an explanation of how we know when this episode or film is set; can include quotes, descriptions of visual material, and references to the placement of other episodes or films
- Notes: additional relevant facts
| Title | Stardate | Date | Reasoning | Notes |
|---|---|---|---|---|
| TOS: "The City on the Edge of Forever" | 1930 | |||
| Star Trek IV: The Voyage Home | 1986 |
|
||
| TOS: "Where No Man Has Gone Before" | 1312.4–1313.8 | 2265 |
|
|
| TOS: "Balance of Terror" | 1709.2–1709.6 | 2266 |
|
|
| TOS: "A Taste of Armageddon" | 3192.1–3193.0 | 2267 |
|
|
| TOS: "The Devil in the Dark" | 3196.1 | 2267 |
|
|
| TOS: "Errand of Mercy" | 3198.4–3201.7 | 2267 | ||
| TOS: "The Gamesters of Triskelion" | 3211.7–3259.2 | 2267 | ||
| TOS: "Metamorphosis" | 3219.8–3220.3 | 2267 | According to McCoy, "Zefram Cochrane died a hundred and fifty years ago." (An additional four references to a 150-year period were made.) According to Cochrane, "I was eighty-seven years old when I came here." An okudagram from ENT: "In a Mirror, Darkly" established both that Cochrane was born in 2030 and was eighty-seven in 2117. This further supports a date of 2267 for this episode. | |
| TOS: "Operation -- Annihilate!" | 3287.2–3289.8 | 2267 | ||
| TOS: "Amok Time" | 3372.7 | 2267 | ||
| TOS: "This Side of Paradise" | 3417.3–3417.7 | 2267 | ||
| TOS: "Who Mourns for Adonais?" | 3468.1 | 2267 | ||
| TOS: "The Deadly Years" | 3478.2–3579.4 | 2267 |
|
|
| TOS: "Friday's Child" | 3497.2–3499.1 | 2267 |
|
|
| TOS: "The Changeling" | 3541.9 | 2267 | ||
| TOS: "Wolf in the Fold" | 3614.9–3615.4 | 2267 | ||
| TOS: "Obsession" | 3619.2–3620.7 | 2267 | ||
| TOS: "The Apple" | 3715.0–3715.6 | 2267 | ||
| TOS: "Journey to Babel" | 3842.3–3843.4 | 2267 | ||
| TOS: "Bread and Circuses" | 4040.7–4041.7 | 2267 | ||
| TAS: "The Slaver Weapon" | 4187.3 | 2267 | ||
| TOS: "The Doomsday Machine" | 4202.1 | 2267 |
|
|
| TNG: "The Neutral Zone" | 41986.0 | 2364 |
|
|
| TNG: "Q Who" | 42761.3–42761.9 | 2365 |
|
|
| TNG: "Unification I" | 45233.1–45240.6 | 2370 |
|
|
| TNG: "Unification II" | 45245.8 | 2370 |
|
|
| TNG: "A Matter Of Time" | 45349.1–45351.9 | 2370 | ||
| TNG: "New Ground" | 45376.3–45376.8 | 2370 | ||
| TNG: "Hero Worship" | 45397.3 | 2370 | ||
| TNG: "Violations" | 45429.3–45435.8 | 2370 | ||
| TNG: "The Masterpiece Society" | 45470.1 | 2370 | ||
| TNG: "Conundrum" | 45494.2 | 2370 | ||
| TNG: "Power Play" | 45571.2–45572.1 | 2370 | ||
| TNG: "Ethics" | 45587.3 | 2370 | ||
| TNG: "The Outcast" | 45614.6–45620.4 | 2370 | ||
| TNG: "Cause And Effect" | 45652.1 | 2370 | ||
| TNG: "The First Duty" | 45703.9 | 2370 | ||
| TNG: "Cost Of Living" | 45733.6 | 2370 | ||
| TNG: "The Perfect Mate" | 45761.3–45766.1 | 2370 | ||
| TNG: "Imaginary Friend" | 45852.1 | 2370 | ||
| TNG: "I Borg" | 45854.2 | 2370 | ||
| TNG: "The Next Phase" | 45892.4 | 2370 | The stardate comes from Ro Laren's death certificate. | |
| TNG: "The Inner Light" | 45944.1 | 2370 | ||
| TNG: "Time's Arrow" | 45959.1–45965.3 | 2370 | ||
| TNG: "Time's Arrow, Part II" | 46001.3 | 2370 | ||
| TNG: "Realm Of Fear" | 46041.1–46043.6 | 2370 | ||
| TNG: "Man Of The People" | 46071.6–46075.1 | 2370 | ||
| TNG: "Relics" | 46125.3 | 2370 | ||
| TNG: "Schisms" | 46154.2–46191.2 | 2370 | ||
| TNG: "True Q" | 46192.3–46193.8 | 2370 | ||
| TNG: "Rascals" | 46235.7–46236.3 | 2370 | ||
| TNG: "A Fistful of Datas" | 46271.5–46278.3 | 2370 | ||
| TNG: "The Quality of Life" | 46307.2–46317.8 | 2370 | ||
| TNG: "Chain Of Command, Part I" | 46357.4–46358.2 | 2370 | ||
| TNG: "Chain Of Command, Part II" | 46360.8 | 2370 | ||
| DS9: "Emissary" | 46379.1–46393.1 | 2370 | ||
| DS9: "A Man Alone" | 46421.5 | 2370 | ||
| DS9: "Babel" | 46423.7–46425.8 | 2370 | ||
| TNG: "Ship In A Bottle" | 46424.1 | 2370 |
|
|
| TNG: "Sub Rosa" | 2370 |
|
||
| VOY: "Caretaker" | 48315.6 | 2371 |
|
|
| DS9: "Meridian" | 48423.2 | 2371 | ||
| VOY: "Parallax" | 48439.7 | 2371 | ||
| DS9: "Defiant" | 48467.3 | 2371 | ||
| DS9: "Past Tense, Part I" | 48481.2 | 2371 | ||
| DS9: "Past Tense, Part II" | 2371 |
|
||
| DS9: "Life Support" | 48498.4 | 2371 |
|
|
| DS9: "Heart of Stone" | 48521.5 | 2371 | ||
| VOY: "Phage" | 48532.4 | 2371 | ||
| DS9: "Destiny" | 48543.2 | 2371 | ||
| VOY: "The Cloud" | 48546.2 | 2371 | ||
| VOY: "Eye of the Needle" | 48579.4 | 2371 | Tuvok asked Telek R'Mor, who had unknowingly traveled into the future, "Captain, what year is it?" R'Mor said that it was 2351, prompting Chakotay to reply, "But . . . this is 2371." | |
| VOY: "Emanations" | 48623.5 | 2371 | ||
| Star Trek Generations | 48632.4–48650.1 | 2371 | ||
| VOY: "Prime Factors" | 48642.5 | 2371 | ||
| VOY: "State of Flux" | 48658.2 | 2371 | ||
| VOY: "Heroes and Demons" | 48693.2 | 2371 | ||
| VOY: "Cathexis" | 48734.2 | 2371 | ||
| VOY: "Faces" | 48784.2 | 2371 | ||
| VOY: "Jetrel" | 48832.1 | 2371 | ||
| VOY: "Learning Curve" | 48846.5 | 2371 | ||
| VOY: "Projections" | 48892.1 | 2371 | ||
| VOY: "Elogium" | 48921.3 | 2371 | ||
| DS9: "The Adversary" | 48959.1 | 2371 | ||
| VOY: "The 37's" | 48975.1 | 2371 |
|
|
| VOY: "Unimatrix Zero" | 2377 |
|
||
| VOY: "Unimatrix Zero, Part II" | 54014.4 | 2377 | ||
| VOY: "Homestead" | 54868.6 | 2378-04-05 |
|
|
| VOY: "Renaissance Man" | 54890.7–54912.4 | 2378 | ||
| VOY: "Endgame" | 54973.4 | 2378 |
|
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Strange New Worlds[]
- SNW: "A Quality of Mercy" (1457.9): In this episode, Christopher Pike experienced an alternate version of the events first depicted in TOS: "Balance of Terror" (2266) and said that these events were "[s]even years into the future" from his present. Thus, this episode must be set in 2259.
Because stardates in Star Trek: Strange New Worlds are often in the same range as those from Star Trek: The Original Series, they are kept separately in this section to avoid confusion.
01xxx[]
- Unknown
- TAS: "The Magicks of Megas-Tu" (1254.4): This episode's stardate would seem to place it in 2265, as it would put it before TOS: "Where No Man Has Gone Before" (1312.4–1313.8; 2265). However, it features Dr. McCoy, who did not become ship's surgeon until after "Where No Man Has Gone Before". It also features sets as they are in the rest of Star Trek: The Animated Series and similar to the standard ones of Star Trek: The Original Series as opposed to the considerably different sets of the second pilot. This holds for the uniforms. Finally, the stardate is an outlier for The Animated Series, which mainly uses four-digit stardates beginning with a four or a five, and is season 2 a six or seven. This fits with the series' placement after The Original Series.
- The following episodes have stardates that place them between TOS: "Where No Man Has Gone Before" (1312.4–1313.8; 2265) and TOS: "Charlie X" (1533.6–1535.8; Thanksgiving, 2265 or 2266):
- TOS: "Mudd's Women" (1329.8–1330.1)
- TOS: "The Corbomite Maneuver" (1512.2–1514.1)
- TOS: "The Man Trap" (1513.1–1513.8)
- TOS: "Charlie X" (1533.6–1535.8): Kirk states, "On Earth today, it's Thanksgiving." In the United States, Thanksgiving is celebrated on the fourth Thursday of November. Per the stardates from this episode, it must take place between the episodes "Where No Man Has Gone Before" (1312.4–1313.8; 2265) and "Balance of Terror" (1709.2–1709.6; 2266). Therefore, this episode must be set either on 23 November 2265, or 22 November 2266.
- The following episodes have stardates that place them between TOS: "Charlie X" (1533.6–1535.8; Thanksgiving, 2265 or 2266) and TOS: "Balance of Terror" (1709.2–1709.6; 2266):
- TOS: "The Enemy Within" (1672.1–1673.1)
- TOS: "The Naked Time" (1704.2–1704.4)
02xxx[]
- The following episodes have stardates that place them between "Balance of Terror" (1709.2–1709.6; 2266) and "A Taste of Armageddon" (3192.1–3193.0; 2267):
- TOS: "The Squire of Gothos" (2124.5–2126.3)
- TOS: "What Are Little Girls Made Of?" (2712.4)
- TOS: "Miri" (2713.5–2717.3)
- TOS: "Dagger of the Mind" (2715.1–2715.2): Helen Noel referenced having met Kirk at "the science lab Christmas party." This episode references Christmas and takes place several episodes after a Thanksgiving reference.
- TOS: "The Conscience of the King" (2817.6–2819.8)
- TOS: "The Galileo Seven" (2821.5–2823.8)
- TOS: "Court Martial" (2947.3–2950.1)
03xxx[]
- The following episodes have stardates that place them between "Balance of Terror" (1709.2–1709.6; 2266) and "A Taste of Armageddon" (3192.1–3193.0; 2267):
- TOS: "The Menagerie, Part I" (3012.4–3012.6)
- TOS: "The Menagerie, Part II" (3013.1–3013.2)
- TOS: "Catspaw" (3018.2)
- TOS: "Shore Leave" (3025.3–3025.8)
- TOS: "Arena" (3045.6–3046.2)
- TOS: "The Alternative Factor" (3087.6–3088.7)
- TOS: "Tomorrow is Yesterday" (3113.2–3114.1)
- TOS: "Space Seed" (3141.9–3143.3)
- TOS: "The Return of the Archons" (3156.2–3158.7): Kirk notes in his log they were "trying to find some trace of the starship Archon that disappeared here a hundred years ago." An okudagram from ENT: "In a Mirror, Darkly" provides the contact date as 2167. Therefore, this episode must be set around 2267.
- TAS: "The Practical Joker" (3183.3)
04xxx[]
- Unknown
- TOS: "A Private Little War" (4211.4–4211.8)
- TOS: "The Immunity Syndrome" (4307.1–4309.4)
- TOS: "Elaan of Troyius" (4372.5)
- TOS: "Spectre of the Gun" (4385.3)
- TOS: "I, Mudd" (4513.3)
- TOS: "The Trouble with Tribbles" (4523.3–4525.6): Dulmer states in DS9: "Trials and Tribble-ations" that the events of this episode took place "A hundred and five years, one month, and twelve days ago."
- TOS: "By Any Other Name" (4657.5–4658.9)
- TOS: "The Ultimate Computer" (4729.4–4731.3)
- TOS: "Return to Tomorrow" (4768.3–4770.3)
- TOS: "The Paradise Syndrome" (4842.6–4843.6)
- TAS: "Mudd's Passion" (4978.4)
05xxx[]
- Unknown
- TOS: "The Enterprise Incident" (5027.3–5027.4)
- TOS: "And the Children Shall Lead" (5029.5)
- TOS: "The Empath" (5121.5)
- TAS: "The Survivor" (5143.3–5148.7)
- TAS: "Beyond the Farthest Star" (5221.3–5221.8)
- TAS: "The Time Trap" (52[64].2–5267.6)
- TAS: "Albatross" (5275.6–5276.8)
- TAS: "One of Our Planets Is Missing" (5371.3–5372.1)
- TAS: "Yesteryear" (5373.4–5373.9): In an alternate timeline, Dr. McCoy stated, "Oh, I thought sure you'd know Thelin by now, Jim. He's been your first officer for five years."
- TAS: "More Tribbles, More Troubles" (5392.4)
- TOS: "The Mark of Gideon" (5423.4–5423.8)
- TOS: "Spock's Brain" (5431.4–5432.3)
- TOS: "For the World is Hollow and I Have Touched the Sky" (5476.3–5476.4)
- TAS: "The Lorelei Signal" (5483.7–5483.9)
- TAS: "The Ambergris Element" (5499.9–5506.2)
- TAS: "The Eye of the Beholder" (5501.2)
- TAS: "The Infinite Vulcan" (5554.4–5554.8)
- TAS: "The Terratin Incident" (5577.3–5577.7)
- TAS: "Once Upon a Planet" (5591.2)
- TOS: "Is There in Truth No Beauty?" (5630.7–5630.8)
- TAS: "The Jihad" (5683.1)
- TOS: "The Tholian Web" (5693.2)
- TOS: "Wink of an Eye" (5710.5–5710.9)
- TOS: "Whom Gods Destroy" (5718.3)
- TOS: "The Lights of Zetar" (5725.3–5725.6)
- TOS: "Let That Be Your Last Battlefield" (5730.2–5730.6)
- TOS: "Plato's Stepchildren" (5784.2–5784.3)
- TOS: "The Cloud Minders" (5818.4–5819.3)
- TOS: "The Way to Eden" (5832.3–5832.6)
- TOS: "Requiem for Methuselah" (5843.7–5843.8)
- TOS: "The Savage Curtain" (5906.4–5906.5)
- TOS: "Turnabout Intruder" (5928.5–5930.3)
- TOS: "All Our Yesterdays" (5943.7–5943.9)
06xxx[]
- Unknown
- TAS: "How Sharper Than a Serpent's Tooth" (6063.4–6063.5)
- TAS: "The Pirates of Orion" (6334.1–6336.2)
- TAS: "The Counter-Clock Incident" (6770.3–6770.1)
07xxx[]
- Unknown
- TAS: "Bem" (7403.6)
- Star Trek: The Motion Picture (7410.2–7414.1)
08xxx[]
- Star Trek II: The Wrath of Khan (8130.3–8141.6)
- This film must be set on the 22 March as it is set on Kirk's birthday.
- At two points in the film, it is implied that we are fifteen years after TOS: "Space Seed":
- Khan: ". . . marooned here fifteen years ago by Captain James T. Kirk."
- Kirk: "There's a man out there I haven't seen in fifteen years who's trying to kill me."
- "Space Seed" is set in 2266 or 2267. Therefore, this film would seem to be set in 2281, 2282, or 2283.
- The label on the bottle of Romulan ale that McCoy gives to Kirk as a birthday gift reads 2283. When Kirk reads the year on the label, McCoy responds, "Yeah, well, it takes this stuff a while to ferment." If we allow that the ale may not have fermented yet, this establishes the earliest possible date for the film as 2283, which, when combined with the previous point, sets this film in 2283.
- In Star Trek Generations, in the Nexus, Kirk at one point imagines himself nine years into the past to the day he told Antonia he was returning to Starfleet. This must have occurred before this film, as he is supervising command-track cadets at Starfleet Academy as an active Starfleet admiral at this film's start. Furthermore, Kirk entered the Nexus in either 2292 or 2293. This means that he returned to Starfleet in 2282, 2283, or 2284, which aligns with our date of 2283.
- According to a commemorative plaque(X) for the Reliant which appeared in PIC: "The Star Gazer", The Wrath of Khan was set in 2285.
- All and all, this film seems to be set on 22 March of 2283 or 2285. 2283 has more evidence overall. Therefore, 22 March 2285 seems, for the purposes of Memory Alpha, the more accurate date.
- Star Trek III: The Search for Spock (8210.3):
- Various elements within this film indicate that it is set immediately after the previous film, The Wrath of Khan, which was set on 22 March 2283. This would place this film in 2283 as well, likely in late March or early April.
- This is contradicted by a commemorative plaque(X) for the USS Excelsior which appeared in PIC: "The Star Gazer", which gives the vessel's launch date as 2285.
- Star Trek IV: The Voyage Home (8390):
- Kirk states in his Captain's log near the opening of the film that he and his crew are in "our third month of our Vulcan exile," following the final events of The Search for Spock, which takes place in early 2283. Thus, the 23rd century portions of this film must take place around the middle of 2283.
- Upon traveling to the 23rd century, Gillian mentions that she has "three hundred years of catch-up learning to do," though this seems to have been a casual approximation the time difference. The same is true for Kirk's reference to the HMS Bounty mutiny, which took place in 1789, having occurred five hundred years ago (from his own time).
- Star Trek V: The Final Frontier (8454.1):
- Within this film, there are several references indicating that it takes place within three weeks of the previous film, which would put it in mid-to-late 2283.
- There are several other factors that may seem to suggest other dates for this film. However, they are based on speculation, such as the assumption that the colony on Nimbus III was established by the Treaty of Organia. Without any solid evidence for this and other points, this film must be set in 2283.
09xxx[]
- Star Trek VI: The Undiscovered Country (9521.6–9529.1):
- Leonard McCoy says, "For twenty-seven years I have been ship's surgeon aboard the USS Enterprise." If McCoy was only referring to his service aboard the USS Enterprise-A, this film would be set no earlier than 2312, as the Enterprise-A was launched at the end of Star Trek IV: The Voyage Home (8390; 2285). However, the first scene of Star Trek Generations, which takes place after this film, is set in either 2292 or 2293. Therefore, McCoy must be referring to the sum of his service on the USS Enterprise (NCC-1701) and the Enterprise-A.
- Since McCoy had joined by 2266 per TOS: "Balance of Terror" and had not by the start of the mission in 2265 per "Where No Man Has Gone Before", he must have joined in either 2265 or 2266. This means that The Undiscovered Country can be set no earlier than 2292. No upper limit can be found using this method, as McCoy could be using the twenty-seven year figure as a duration rather than a difference.
- However, since The Undiscovered Country is set before the opening scene in Generations, which, as mentioned above, is set in 2292 or 2293, this gives 2293 as the latest this film could be set, meaning that it is set in either 2292 or 2293.
41xxx[]
- According to a commemorative plaque(X) seen in PIC: "The Star Gazer", the USS Enterprise-D was launched in 2363 on stardate 41025.5. Since TNG: "The Neutral Zone" (41986.0) is set in 2364, it follows that all episodes with stardates within this range are set in 2363 or 2364.
- TNG: "Encounter at Farpoint" (41153.7–41174.2)
- TNG: "The Naked Now" (41209.2–41209.3)
- TNG: "Code of Honor" (41235.25–41235.6)
- TNG: "Datalore" (41242.4–41242.5)
- TNG: "Lonely Among Us" (41249.3–41249.4)
- TNG: "Justice" (41255.6–41255.9)
- TNG: "Where No One Has Gone Before" (41263.1–41263.4)
- TNG: "Haven" (41294.5–41294.6)
- TNG: "Too Short A Season" (41309.5)
- TNG: "11001001" (41365.9)
- TNG: "The Last Outpost" (41386.4–41386.5)
- TNG: "Coming of Age" (41416.2)
- TNG: "Home Soil" (41463.9–41464.8)
- TNG: "Heart of Glory" (41503.7)
- TNG: "When The Bough Breaks" (41509.1–41512.9)
- TNG: "Hide And Q" (41590.5–41591.4)
- TNG: "Skin Of Evil" (41601.3–41602.1)
- TNG: "Angel One" (41636.9)
- TNG: "We'll Always Have Paris" (41697.9)
- TNG: "The Battle" (41723.9)
- TNG: "Conspiracy" (41775.5–41780.2)
- TNG: "The Arsenal of Freedom" (41798.2)
- TNG: "The Big Goodbye" (41997.7): TNG: "The Neutral Zone" (41986.0) is set in 2364 while TNG: "Q Who" (42761.3–42761.9) is set in 2365. Since the stardate given in "The Big Goodbye" falls between those of these two episodes, it must be set in 2364 or 2365.
42xxx[]
- TNG: "The Neutral Zone" (41986.0) is set in 2364 while TNG: "Q Who" (42761.3–42761.9) is set in 2365. Therefore, all episodes with stardates between that place them between these episodes must be set in one of those years.
- TNG: "The Child" (42073.1)
- TNG: "Where Silence Has Lease" (42193.6–42194.7)
- TNG: "Elementary, Dear Data" (42286.3)
- TNG: "The Outrageous Okona" (42402.7)
- TNG: "The Schizoid Man" (42437.5–42437.7)
- TNG: "Loud As A Whisper" (42477.2–42479.3)
- TNG: "Unnatural Selection" (42494.8)
- TNG: "A Matter Of Honor" (42506.5–42507.8)
- TNG: "The Measure Of A Man" (42523.7–42527.4)
- TNG: "The Dauphin" (42568.8)
- TNG: "Contagion" (42609.1)
- TNG: "The Royale" (42625.4): The Charybdis is launched on 23 July 2037; Colonel Stephen Richey lived there for thirty-eight years. There were fifty-two stars on his patch, which would put the year between 2033 and 2079. Data stated that Richey had been dead for 283 years.
- TNG: "Time Squared" (42679.2–42679.5)
- TNG: "The Icarus Factor" (42686.4)
- TNG: "Pen Pals" (42695.3–42741.3)
- All episodes which have stardates placing them between TNG: "Q Who" (42761.3–42761.9; 2365) and TNG: "Sarek" (43917.4–43920.7; 2366 or 2367) must be set in either 2365, 2366, or 2367.
- TNG: "Samaritan Snare" (42779.1–42779.5)
- TNG: "Up The Long Ladder" (42823.2–42827.3)
- TNG: "Manhunt" (42859.2)
- TNG: "The Emissary" (42901.3)
- TNG: "Peak Performance" (42923.4)
- TNG: "Shades of Gray" (42976.1–42976.3)
43xxx[]
- All episodes which have stardates placing them between TNG: "Q Who" (42761.3–42761.9; 2365) and TNG: "Sarek" (43917.4–43920.7; 2366 or 2367) must be set in either 2365, 2366, or 2367.
- TNG: "Evolution" (43125.8)
- TNG: "The Survivors" (43152.4–43153.7)
- TNG: "Who Watches The Watchers" (43173.5–43174.2)
- TNG: "The Bonding" (43198.7)
- TNG: "Booby Trap" (43205.6)
- TNG: "The Enemy" (43349.2)
- TNG: "The Price" (43385.6)
- TNG: "The Vengeance Factor" (43421.9)
- TNG: "The Defector" (43462.5–43465.2)
- TNG: "The Hunted" (43489.2)
- TNG: "The High Ground" (43510.7)
- TNG: "Deja Q" (43539.1)
- TNG: "A Matter of Perspective" (43610.4–43611.6)
- TNG: "Yesterday's Enterprise" (43625.2)
- TNG: "The Offspring" (43657.0)
- TNG: "Sins of The Father" (43685.2)
- TNG: "Allegiance" (43714.1)
- TNG: "Captain's Holiday" (43745.2)
- TNG: "Tin Man" (43779.3)
- TNG: "Hollow Pursuits" (43807.4–43808.2)
- TNG: "The Most Toys" (43872.2)
- TNG: "Sarek" (43917.4–43920.7): Captain Picard established that Sarek was roughly "two hundred and two years old." In TOS: "Journey to Babel" (3842.3–3843.4; between 22 March and 31 December 2267), Dr. McCoy said of Sarek: "After all, you're only a hundred and two." Sarek corrected him, "102.437 precisely, Doctor, measured in your years." Therefore, these episodes are at least 99.563 years apart and at most 100.563 years apart. Therefore, the earliest this episode could possibly be set is ~2366.782, and the latest is ~2368.563. However, since this episode's stardate is before that of TNG: "The Best of Both Worlds" (43989.1–43998.5; 2366 or 2367), it can be set no later than 2367, meaning that it could be set anywhere from ~2366.782 to 31 December 2367.
- Since both TNG: "Sarek" and TNG: "The Best of Both Worlds" are set in 2366 or 2367, it stands to reason that all episodes that are placed between these two by their stardates must be set in the same range.
- TNG: "Ménage à Troi" (43930.7)
- TNG: "Transfigurations" (43957.2–43960.6)
- TNG: "The Best of Both Worlds" (43989.1–43998.5): J.P. Hanson said "We've known they were coming for over a year", referring to the Borg. In common language, this time span would be between a year and eighteen months. The first contact with the Borg was in TNG: "Q Who" (42761.9; 2365). Therefore, this episode must take place in either 2366 or 2367.
44xxx[]
- TNG: "The Best of Both Worlds, Part II" (44001.4–44002.3): This episode is set immediately after TNG: "The Best of Both Worlds" (43989.1–43998.5; 2366 or 2367) and thus may be set in 2366, 2367, or 2368. Furthermore, DS9: "Second Sight" (47329.4; 2370 or 2371) is set the day after the fourth anniversary of the Battle of Wolf 359, which occurred during this episode. Therefore, this episode must be set in 2366 or 2367.
- All episodes whose stardates place them between TNG: "The Best of Both Worlds, Part II" (44001.4–44002.3; 2366 or 2367) and TNG: "Qpid" (44741.9; 2366, 2367, or 2368) must be set within that range.
- TNG: "Family" (44012.3)
- TNG: "Brothers" (44085.7–44091.1)
- TNG: "Suddenly Human" (44143.7)
- TNG: "Remember Me" (44161.2–44162.8)
- TNG: "Legacy" (44215.2–44225.3)
- TNG: "Reunion" (44246.3)
- TNG: "Future Imperfect" (44286.5)
- TNG: "Final Mission" (44307.3–44307.6)
- TNG: "The Loss" (44356.9–44359.5)
- TNG: "Data's Day" (44390.1)
- TNG: "The Wounded" (44429.6–44431.7)
- TNG: "Devil's Due" (44474.5)
- TNG: "Clues" (44502.7)
- TNG: "Galaxy's Child" (44614.6): La Forge said it was "about a year ago" when he created the Brahms hologram in "Booby Trap" (stardate 43205.6).
- TNG: "Night Terrors" (44631.2–44642.1)
- TNG: "Identity Crisis" (44664.5–44668.1): The crew was watching an away team sensor log dated stardate 40164.7, and Leijton says it was five years ago.
- TNG: "The Nth Degree" (44704.2–44721.9)
- TNG: "Qpid" (44741.9): Crusher and Vash were talking and Vash said she met Picard on Risa, in "Captain's Holiday" (43745.2; 2365, 2366, or 2367). Crusher says to Picard, "That must have been during your vacation last year." Therefore, "Qpid" must take place in 2366, 2367, or 2368.
- TNG: "The Drumhead" (44769.2–44780):
- Picard states he has captained the Enterprise for "over three years" since stardate 41124. That stardate falls between stardates 41025.5 (2363, the launch date of the Enterprise per a commemorative plaque(X) seen in PIC: "The Star Gazer") and 41986.0 (TNG: "The Neutral Zone", 2364). Therefore, Picard took command of the Enterprise in 2363 or 2364, meaning that this episode is set in either 2366, 2367, or 2368.
- Picard says Satie investigated the alien conspiracy in TNG: "Conspiracy" (41775.5–41780.2; 2363 or 2364) "three years ago."
- Unknown
- TNG: "Half a Life" (44805.3–44812.6)
- TNG: "The Host" (44821.3–44824.4)
- TNG: "The Mind's Eye" (44885.5–44896.9)
- TNG: "In Theory" (44932.3–44935.6)
- TNG: "Redemption" (44995.3–44998.3)
45xxx[]
- Unknown
- TNG: "Redemption II" (45020.4–45025.4)
- TNG: "Darmok" (45047.2–45048.8)
- TNG: "Ensign Ro" (45076.3–45077.8)
- TNG: "Silicon Avatar" (45122.3–45129.2)
- TNG: "Disaster" (45156.1)
- TNG: "The Game" (45208.2–45212.1)
46xxx[]
- All episodes whose stardates place them between TNG: "Ship In A Bottle" (46424.1; 2370) and VOY: "Caretaker" (48315.6; 2371) must be set in 2370 or 2371.
- TNG: "Aquiel" (46461.3)
- TNG: "Face Of The Enemy" (46519.1)
- DS9: "Q-Less" (46531.2–46532.3)
- TNG: "Birthright, Part I" (46578.4)
- TNG: "Birthright, Part II" (46579.2)
- TNG: "Starship Mine" (46682.4)
- TNG: "Lessons" (46693.1–46697.2)
- DS9: "The Storyteller" (46729.1)
- TNG: "The Chase" (46731.5–46735.2)
- TNG: "Frame of Mind" (46778.1)
- TNG: "Suspicions" (46830.1–46831.2)
- DS9: "Progress" (46844.3)
- TNG: "Rightful Heir" (46852.2)
- DS9: "If Wishes Were Horses" (46853.2)
- DS9: "Dax" (46910.1)
- TNG: "Second Chances" (46915.2–46920.1)
- DS9: "Dramatis Personae" (46922.3–46924.5)
- DS9: "The Forsaken" (46925.1)
- TNG: "Timescape" (46944.2–46945.3)
- TNG: "Descent" (46982.1–46984.6)
47xxx[]
- All episodes whose stardates place them between TNG: "Ship In A Bottle" (46424.1; 2370) and VOY: "Caretaker" (48315.6; 2371) must be set in 2370 or 2371.
- TNG: "Descent, Part II" (47025.4)
- TNG: "Gambit, Part I" (47135.2)
- TNG: "Gambit, Part II" (47160.1–47169.2)
- DS9: "Cardassians" (47177.2–47178.3)
- DS9: "Invasive Procedures" (47182.1)
- TNG: "Interface" (47215.5)
- TNG: "Phantasms" (47225.7)
- DS9: "Melora" (47229.1)
- TNG: "Dark Page" (47254.1)
- DS9: "Necessary Evil" (47282.5–47284.1)
- TNG: "Attached" (47304.2)
- TNG: "Force of Nature" (47310.2–47314.5)
- DS9: "Second Sight" (47329.4): This episode begins on the day after the fourth anniversary of the Battle of Wolf 359.
- TNG: "Parallels" (47391.2)
- DS9: "Sanctuary" (47391.2)
- DS9: "The Alternate" (47391.7)
- TNG: "Inheritance" (47410.2)
- TNG: "Homeward" (47423.9–47427.2)
- TNG: "The Pegasus" (47457.1): The Judge Advocate General's Report of the loss of the Pegasus on stardate 36764 was noted as twelve years prior to this episode.
- TNG: "Lower Decks" (47566.7)
- DS9: "Paradise" (47573.1)
- DS9: "Whispers" (47581.2)
- DS9: "Shadowplay" (47603.3)
- TNG: "Thine Own Self" (47611.2)
- TNG: "Masks" (47615.2–47618.4)
- TNG: "Eye of the Beholder" (47623.2): Troi, Crusher, and Worf are reading Marla E. Finn's record, who was reported missing on stardate 40987.2. Crusher says this was eight years ago.
- TNG: "Genesis" (47653.2)
- TNG: "Journey's End" (47751.2–47755.3)
- TNG: "Firstborn" (47779.4)
- TNG: "Bloodlines" (47829.1–47831.8)
- TNG: "Emergence" (47869.2)
- TNG: "Preemptive Strike" (47941.7–47943.2)
- DS9: "Tribunal" (47944.2)
- TNG: "All Good Things..." (47988)
48xxx[]
- DS9: "The Search, Part I" (48212.4): This episode's stardates places it between TNG: "Ship In A Bottle" (46424.1; 2370) and VOY: "Caretaker" (48315.6; 2371). It must therefore be set in 2370 or 2371.
49xxx[]
- All episodes set between VOY: "The 37's" (48975.1; 2371) and VOY: "Maneuvers" (49208.5–49211.5; 2371, 2372, or 2373) must be set in 2371, 2372, or 2373.
- VOY: "Initiations" (49005.3)
- VOY: "Non Sequitur" (49011.0)
- DS9: "The Way of the Warrior" (49011.4)
- DS9: "The Visitor" (49034.7)
- DS9: "Hippocratic Oath" (49066.5)
- VOY: "Cold Fire" (49164.8)
- DS9: "Homefront" (49170.65)
- DS9: "Rejoined" (49195.5)
- VOY: "Maneuvers" (49208.5–49211.5)
- This episode's stardate places it between VOY: "The 37's" (48975.1; 2371) and VOY: "Dreadnought" (49447; 2371, 2372, or 2373). Therefore, it must be set in 2371, 2372, or 2373.
- Stardate 48423 was stated to be a month after the USS Voyager left Deep Space 9, which occurred in the episode "Caretaker" (48315.6).
- Because VOY: "Maneuvers" (49208.5–49211.5) and VOY: "Dreadnought" (49447) are both set in 2371, 2372, or 2373, all episodes with stardates between them must be set in 2371, 2372, or 2373.
- DS9: "Starship Down" (49263.5)
- DS9: "The Sword of Kahless" (49289.1)
- DS9: "Our Man Bashir" (49300.7)
- VOY: "Death Wish" (49301.2)
- VOY: "Alliances" (49337.4)
- VOY: "Threshold" (49373.4)
- VOY: "Dreadnought" (49447): The Cardassian ATR-4107 told B'Elanna Torres her last access to the system was stardate 47582, which is between DS9: "Whispers" (47581.2; 2370 or 2371) and DS9: "Shadowplay" (47603.3; 2370 or 2371). Later in the episode, Torres said that was two years ago. Therefore, this episode must take place in 2371, 2372, or 2373.
- All episodes set between VOY: "The 37's" (48975.1; 2371) and VOY: "False Profits" (50074.3; 2371, 2372, 2373, or 2374) must be set in 2371, 2372, 2373, or 2374.
- VOY: "Investigations" (49485.2)
- VOY: "Lifesigns" (49504.3)
- VOY: "Deadlock" (49548.7)
- DS9: "Sons of Mogh" (49556.2)
- VOY: "Innocence" (49578.2)
- VOY: "Tuvix" (49655.2)
- DS9: "Rules of Engagement" (49665.3)
- VOY: "Resolutions" (49690.1)
- DS9: "To the Death" (49904.2)
- DS9: "Body Parts" (49930.3)
- DS9: "Broken Link" (49962.4)
50xxx[]
- All episodes set between VOY: "The 37's" (48975.1; 2371) and VOY: "False Profits" (50074.3; 2371, 2372, 2373, or 2374) must be set in 2371, 2372, 2373, or 2374.
- VOY: "Basics, Part II" (50032.7)
- DS9: "The Ship" (50049.3)
- DS9: "Looking for par'Mach in All the Wrong Places" (50061.2)
- VOY: "Sacred Ground" (50063.2)
- VOY: "False Profits" (50074.3): Tuvok states it had been about seven years since the USS Enterprise-D watched the two Ferengi get trapped in the Delta Quadrant, which occurred in TNG: "The Price" (43385.6; 2365, 2366, or 2367). Therefore, this episode must be set in 2371, 2372, 2373, or 2374.
- All episodes set between VOY: "False Profits" (50074.3; 2371, 2372, 2373, or 2374) and DS9: "Call to Arms" (50975.2; 2374 or 2375) must be set in 2371, 2372, 2373, 2374, 2375.
- VOY: "Flashback" (50126.4): Captain Kathryn Janeway and Tuvok go to a memory on the USS Excelsior, stardate 9521, about eighty years prior, according to Tuvok.
- VOY: "The Chute" (50156.2)
- VOY: "Remember" (50203.1)
- VOY: "The Swarm" (50252.3)
- VOY: "Future's End" (50312.5)
- VOY: "Future's End, Part II" (50312.5)
- VOY: "Warlord" (50348.1)
- VOY: "The Q and the Grey" (50384.2)
- DS9: "The Darkness and the Light" (50416.2)
- VOY: "Macrocosm" (50425.1)
- VOY: "Alter Ego" (50460.3)
- DS9: "For the Uniform" (50485.2)
- VOY: "Coda" (50518.6)
- VOY: "Blood Fever" (50537.2)
- DS9: "By Inferno's Light" (50564.2)
- VOY: "Unity" (50614.2)
- VOY: "Darkling" (50693.2)
- DS9: "Ties of Blood and Water" (50712.5)
- VOY: "Favorite Son" (50732.4)
- DS9: "Children of Time" (50814.2)
- VOY: "Real Life" (50836.2)
- DS9: "Empok Nor" (50901.7)
- VOY: "Displaced" (50912.4)
- DS9: "In the Cards" (50929.4)
- VOY: "Worst Case Scenario" (50953.4)
- DS9: "Call to Arms" (50975.2): This episode is set five years after DS9: "Emissary" (46379.1–46393.1; 2370), which was when Benjamin Sisko took command of Deep Space 9. In this episode, Sisko says, "When I first took command of this post, all I wanted was to be somewhere else, anywhere but here. But now, five years later, this has become my home and you have become my family." Therefore, this episode must be set in 2374, 2375, or 2376. However, this episode's stardate places it before VOY: "Scorpion" (50984.3; 2374 or 2375). Therefore, this episode must be set in one of those years.
- VOY: "Scorpion" (50984.3): In the episode "The Gift" (51008–51030), The Doctor states that Kes was in contact with Species 8472 "a few days ago," as depicted in VOY: "Scorpion". Since "The Gift" is set in either 2374 or 2375 and no earlier than fifty-six days, seventeen hours into 2374, this episode must also be set in either 2374 or 2375.
51xxx[]
- VOY: "Scorpion, Part II" (51003.7): This episode's stardate places it between two episodes that are either set in 2374 or 2375. Therefore, this episode must be set in either 2374 or 2375.
- VOY: "The Gift" (51008–51030):
- In the past scenes in VOY: "Fury", The Doctor is considering Schweitzer as a name for himself. Those scenes must therefore be set between "Eye of the Needle" (48579.4; 2371), when The Doctor first becomes interested in taking a name, and VOY: "Heroes and Demons" (48693.2–48710.5; 2371), when he takes on the name Schweitzer. Therefore, the past scenes in this episode must be set in 2371.
- Furthermore, the computer states that Voyager has been in the Delta Quadrant for "fifty-six days, seventeen hours." In the past scenes, the future Kes says that her past self will leave Voyager in three years time, referring to the events of "The Gift". This places "The Gift" in either 2374 or 2375 and can be set no earlier than fifty-six days, seventeen hours into 2374.
- Because VOY: "Hope and Fear" is set in 2374, 2375, or 2376, and VOY: "The Gift" is set in either 2374 or 2375, all episodes with stardates between them must be set in either 2374, 2375, or 2376.
- VOY: "Nemesis" (51082.4–51096.5)
- DS9: "Behind the Lines" (51145.3–51149.5)
- VOY: "Revulsion" (51186.2)
- VOY: "Scientific Method" (51244.3)
- DS9: "You Are Cordially Invited" (51247.5)
- VOY: "Year of Hell" (51268.4; alternate timeline)
- Episodes with stardates between 51268.4 and 51425.4 must take place in the prime-timeline version of the period between "day 65" and "day 133" of the "year of hell" timeline:
- VOY: "Random Thoughts" (51367.2)
- VOY: "Concerning Flight" (51386.4–51408.3)
- DS9: "Waltz" (51408.6–51413.6)
- VOY: "Year of Hell, Part II" (51425.4–51682.2; alternate timeline)
- Epsiodes with stardates between 51425.4 and 51682.2 must take place in the prime-timeline version of the period between "day 133" and "day 226" of the "year of hell" timeline:
- VOY: "Mortal Coil" (51449.2)
- VOY: "Message in a Bottle" (51462)
- VOY: "Waking Moments" (51471.3)
- DS9: "One Little Ship" (51474.2)
- VOY: "Hunters" (51501.4)
- DS9: "Change of Heart" (51597.2)
- VOY: "Prey" (51652.3): According to Chakotay, this episode takes place six months after VOY: "Scorpion".
- VOY: "Retrospect" (51679.4–51658.2)
- VOY: "The Killing Game, Part II" (51715.2)
- DS9: "In the Pale Moonlight" (51721.3)
- VOY: "Vis à Vis" (51762.4–51775.2)
- VOY: "The Omega Directive" (51781.2–51793.4)
- VOY: "Unforgettable" (51813.4)
- DS9: "Valiant" (51825.4)
- VOY: "One" (51929.3–51932.4)
- DS9: "The Sound of Her Voice" (51948.3)
- VOY: "Hope and Fear" (51978.2–51981.6): According to Captain Janeway, this episode takes place nine months after VOY: "Scorpion, Part II" and VOY: "The Gift", meaning that it is set in either 2374, 2375, or 2376. Janeway also says that the events of VOY: "Hunters" occurred five months ago.
52xxx[]
- VOY: "Night" (52081.2): VOY: "In the Flesh" is either set in 2375 or 2376. VOY: "Hope and Fear" is set in 2374, 2375, or 2376. The stardates in "Night" place it between these two episodes. Therefore, it must either be set in 2374, 2375, or 2376.
- VOY: "In the Flesh" (52136.4): Seven of Nine stated it had been over a year since they encountered Species 8472, which was in VOY: "Scorpion" (50984.3–51003.7). Since "Scorpion" was set in 2374 or 2375, this episode must be set no earlier than 2375. Furthermore, since its stardate places it before VOY: "Timeless" which is set in 2375 or 2376, this episode must also be set in that range.
- VOY: "Timeless" (52143.6–52164.3): In this episode, Captain Janeway says, "Four years, two months, eleven days. That's precisely how long Voyager's been in the Delta Quadrant." Voyager entered the Delta Quadrant in 2371. Therefore, this episode must either be set in 2375 or 2376 depending on when in 2371 "Caretaker" is set.
- Unknown
- DS9: "Shadows and Symbols" (52152.6)
- VOY: "Thirty Days" (52179.4)
- VOY: "Infinite Regress" (52188.7–52356.2)
- VOY: "Gravity" (52438.9)
- VOY: "Bliss" (52542.3)
- DS9: "Penumbra" (52576.2)
- VOY: "Course: Oblivion" (52586.3–52597.4)
- VOY: "Dark Frontier" (52619.2)
- DS9: "Extreme Measures" (52645.7)
- VOY: "Relativity" (52861.274)
53xxx[]
- Unknown
- VOY: "Survival Instinct" (53049.2)
- VOY: "Dragon's Teeth" (53167.9)
- VOY: "Riddles" (53263.2)
- VOY: "One Small Step" (53292.7–53301.2)
- VOY: "The Voyager Conspiracy" (53329)
- VOY: "Tsunkatse" (53447.2–53529.4)
- VOY: "Virtuoso" (53556.4)
- VOY: "Ashes to Ashes" (53679.4)
- VOY: "Good Shepherd" (53753.2–53764.3)
- VOY: "Live Fast and Prosper" (53849.2)
- VOY: "Muse" (53896–53918)
54xxx[]
- Unknown
- VOY: "Drive" (54058.6)
- VOY: "Repression" (54090.4–54101)
- VOY: "Imperfection" (54129.4): In this episode, Seven of Nine says, "My link to the Collective has been severed for nearly four years." Seven was severed from the Collective in the episode "Scorpion, Part II" (51003.7; 2374 or 2375). Therefore, "Imperfection" must be set in either 2377, 2378, or 2379. Based on stardates, this episode is set before VOY: "Homestead" (54868.6; 5 April 2378). Therefore, this episode must be set between 2377 and 5 April 2378.
- All episodes with stardates between VOY: "Imperfection" and VOY: "Homestead" must be set between 2377 and 5 April 2378:
- VOY: "Inside Man" (54208.3)
- VOY: "Body and Soul" (54238.3)
- VOY: "Nightingale" (54274.7–54282.5)
- VOY: "Flesh and Blood" (54337.5)
- VOY: "Lineage" (54452.6)
- VOY: "Prophecy" (54518.2–54529.8)
- VOY: "The Void" (54553.4–54562.7)
- VOY: "Workforce" (54584.3–54608.6)
- VOY: "Workforce, Part II" (54622.4)
- VOY: "Q2" (54704.5)
- VOY: "Author, Author" (54732.3–54748.6)
- VOY: "Friendship One" (54775.4): Tom Paris says that B'Elanna's baby is due in "a couple of months."
- VOY: "Natural Law" (54827.7)
56xxx[]
- Unknown
- Star Trek Nemesis (56844.9)
Unknown[]
- TOS: "The Cage": In "The Menagerie, Part I" (3012.4–3012.6), Spock stated that the events of this episode occurred "thirteen years ago." "The Menagerie, Part I" takes place after "Balance of Terror" (1709.2–1709.6; 2266) and before "A Taste of Armageddon" (3192.1–3193.0; 2267). Therefore, this episode takes place in either 2266 or 2267. This means that "The Cage" must be set in either 2254, 2253, or 2252.
- Star Trek Generations (opening scene): The intertitle between this scene and the next reads "78 Years Later". Since the rest of the movie takes place in 2371 and the opening scene takes place seventy-eight years earlier, it must be set in either 2292 or 2293.
- VOY: "Cold Fire": It is stated in an opening narration that the events of "Caretaker" (48315.6; 2371) occurred ten months ago. Therefore, this episode is either set in 2371 or 2372 depending on when in 2371 "Caretaker" is set.
- According to the episode's shooting script, its stardate is 49164.8. (Star Trek: Voyager Companion, p. 76)
- According to Star Trek: Star Charts (p. 84), this episode's stardate is 49040.
- VOY: "Human Error": In "Endgame", Seven of Nine refers to the events from this episode as having taken place three months in the past. Given that "Endgame" is set between 5 April 2378 and 31 December 2378, "Human Error" must take place between December 2377 and September 2378.
- LD: "Old Friends, New Planets": An intertitle identifies the events of TNG: "The First Duty" (45703.9; 2370) as having taken place "13 years ago". This places this episode in either 2383 or 2384.
- Unknown
- TNG: "Liaisons": Picard met Anna, who said she had crashed on stardate 40812. He noted that said stardate was seven years prior.
- DS9: "Trials and Tribble-ations": It is stated that stardate 4523.7 (TOS: "The Trouble with Tribbles") is 105 years, one month, twelve days earlier (a Friday).
- DS9: "Favor the Bold": This episode takes place five years after Sisko met Morn:
- Ross: "Are you sure this is reliable?"
- Sisko: "I've known the courier for five years, I trust him."
- DS9: "His Way": Quark states that it's been over a year since Kira and Shakaar broke up (DS9: "Children of Time", stardate 50814.2).
- VOY: "11:59": In this episode, Neelix says "It's April 22, Ancestor's Eve." However, no year is given and there is no stardate associated with this episode.
- DS9: "The Dogs of War": Based on the launch stardate on the new USS Defiant's dedication plaque, this episode takes place after stardate 52889.3. Furthermore, it must take place before stardate 52902.0, the effective date for the Treaty of Bajor signed after the end of the war. Therefore, it takes place between stardate 52889.3 and stardate 52902.0.
- DS9: "What You Leave Behind": Given that this episode is set between "The Dogs of War" and the effective date of the Treaty of Bajor, it must be set between stardate 52889.3 and stardate 52902.0.
- VOY: "Life Line": Janeway, referring to the events of VOY: "Message in a Bottle", says that The Doctor was transmitted to the Alpha Quadrant "three years ago." Later, Lewis Zimmerman says that he had not left Jupiter Station in "over four years." The last time he left that we know of was his visit to Deep Space 9 in DS9: "Doctor Bashir, I Presume".
General facts[]
- In VOY: "Q2", Icheb states that Kirk's five-year mission ended in 2270, strongly implying that the events of Star Trek: The Original Series and Star Trek: The Animated Series take place between 2265 and 2270.