(written from a Production point of view)
Garak and Worf investigate a message which suggests that Cardassian spymaster Enabran Tain is still alive. Upon their arrival, not only do they find Tain, but also General Martok… and someone they did not expect. (Part 1 of 2)
Major Kira is helping Odo reorganize his living quarters. Odo ponders on how much, as a solid, he enjoyed sleeping in a bed. Kira suggests that if he enjoyed it so much he should keep the bed and continue using it. Odo points out, however, that he reverts to a gelatinous state when he falls asleep and slides off the bed, so keeping it would be pointless. Kira then stumbles upon a PADD entitled Finding and Winning your Perfect Mate by Dr. Jennings Rain. Odo snatches the PADD away and lowers his head, trying to explain its purpose. Kira suggests that he continue reading the PADD, given that he is a solid 18 hours a day. Dax contacts Odo over the comm.
A Gamma Quadrant listening post has just picked up an encoded Cardassian transmission. Unable to decode the transmission, Odo suggests allowing Garak to attempt to decrypt the transmission. At the station's Replimat some time after, Elim Garak explains to Tora Ziyal and Dr. Bashir that the transmission was nothing more than a five-year-old planetary survey report. Garak brushes off the transmission as unimportant. Bashir responds that he is surprised that Garak isn't at all enthusiastic about a Cardassian transmission coming from the Gamma Quadrant, considering it could have been from the survivors of the joint Cardassian-Romulan attack fleet that was lost there.
Garak states that he has long given up on the idea of finding any survivors, to which Ziyal states "I never saw you as the giving-up type." Then Garak sneaks on board a Federation runabout; as he approaches the controls one of the chairs swivels around to reveal Bashir pointing a phaser at the tailor. "Going somewhere?" the doctor asks pointedly.
Act One Edit
"I really must remember to stop underestimating you," says Garak, who then reveals that the transmission was really a distress call from Enabran Tain, the former head of the Obsidian Order. The Cardassian tailor admits that he and Tain were "very close," and despite their tumultuous history, feels obliged to find him. Garak offers to bring Bashir along with him on this rescue mission. Bashir appears to agree at first, but then aims the phaser back at Garak and orders him to Captain Sisko's office.
At Sisko's ready room, Garak reveals that the transmission code sequence was designed by Tain and himself. No one else could decrypt it. Garak portrays his rescue attempt as a "mission of mercy," suggesting to Sisko that there might be other survivors of Dominion attacks imprisoned with Tain – including Federation citizens. Sisko is still naturally suspicious, but agrees to let Garak go… but only if Commander Worf goes along with him.
In his quarters, Dax is furious that Worf did not inform her of his involvement in Garak's mission. Worf brushes it off, saying it would not be the Klingon way to "explain why [he] chooses to face danger, not even to his par'Mach'kai." Jadzia's anger changes to nonchalance as she takes Worf's Klingon operas, intending to enjoy them while he is away. Worf seems perturbed by the thought, worried that Dax might misplace them. They then kiss passionately and Dax coyly invites him to hurry back.
Over at Quark's, Tora Ziyal tries to express her feelings for Garak but the tailor simply brushes it off, embarrassed. Nonetheless, he promises that no matter what happens, he "will come back." They share a moment before it is interrupted by a furious Dukat, who rushes in and threatens to throw Garak over the railing if he ever touches Ziyal again. Despite Garak's snide remarks, Quark intervenes and threatens to call security while Ziyal pleads with her father, who finally relents. Garak, seemingly unaffected by the whole incident, chips in a final retort and says, "You do have a lovely daughter; she must take after her mother." Dukat explains to Ziyal that he is here for repairs and to spend time with her. Looking in Garak's general direction, he continues, "I can see we have a lot to talk about."
Sisko accompanies Worf to the airlock, reiterating that this is a reconnaissance mission and to avoid Dominion ships at all costs. Worf doesn't seem too happy about working with Garak, remarking to Sisko that at the first sign of betrayal, he will kill him. Sisko assumes Worf is joking, to which he states "We will see."
Act Two Edit
While on their way through the Gamma Quadrant, Garak tries his best to convince Worf to support his application to Starfleet Academy. Worf finally gives in, only to realize the Cardassian fooled him the whole time. Garak points out that lying, as any skill, must be practiced constantly.
Dukat confronts Major Kira, accusing her of betraying him by letting Ziyal fraternize with a personal enemy of his. He swears never to forget it; Kira only replies that "if that's a threat, I'm not impressed."
Worf stops the runabout, having decided that the source of the signal is too deep in Dominion space and that the risk of stumbling over Jem'Hadar forces is too high. Garak can convince him that by going through an interstellar nebula, they can come closer to the source without appearing on the Jem'Hadar's sensors. However, shortly after they enter the nebula, a large Dominion fleet appears.
Act Three Edit
Worf tries to get away, but the runabout is trapped in a tractor beam and boarded by a group of Jem'Hadar soldiers. Never deterred, Garak says, "Are we glad to see you! Could one of you point us in the direction of the wormhole?" one of them knocks him unconscious.
Dax and Kira talk about Kirayoshi O'Brien's progress in recognizing people only a month after his birth when a distress signal from Worf arrives. They can only understand part of it, but the words "Jem'Hadar," "buildup," and "imminent," together with the fact that two of Starfleet's listening posts in the Gamma Quadrant are suddenly destroyed, makes everyone realize that the long-feared Dominion invasion is about to begin. Sisko orders Dax to notify Starfleet, put the station on yellow alert and "make sure everyone knows this is not a drill." He then sends Kira and the USS Defiant to the Gamma Quadrant to find Worf.
Garak and Worf are beamed inside Internment Camp 371, a Dominion prison facility located on an asteroid orbiting a gas giant. Ikat'ika, the Jem'Hadar first in charge of the camp identifies them as enemies of the Dominion and points out that there is no other release from his facility than death.
Act Four Edit
Another listening post is destroyed and a ship exits the wormhole. It turns out to be the Defiant. Sisko hails Kira and asks her what she found. "Trouble," she answers.
Gul Dukat meets his daughter in front of the Bajoran shrine. He tells Ziyal that a Dominion fleet will arrive soon and that he wants her to leave for Cardassia. She is visibly unhappy about that decision.
Worf and Garak are confined to Barracks 6, where they meet General Martok, a high-ranking Klingon officer who had been replaced by a Changeling impostor two years earlier. The General, who has lost his left eye, is being used as an opponent in brutal hand-to-hand combat training for the Jem'Hadar. Ikat'ika ends the match but tells Worf, for him, it's just beginning. It turns out Martok has been waiting for them, as has Enabran Tain, who is in bad health and only has days to live due to heart problems. He greets them roughly, which does not seem to surprise a bitter Garak, who says he would have at least hoped for something like "thank you, Elim." Tain replies that all Garak did was to doom them both.
Dukat arrives to a briefing with DS9's senior staff where Sisko makes it clear that the Dominion have picked the perfect time to invade the Alpha Quadrant: the war with the Klingons and the frequent skirmishes with the Maquis has left the Cardassian military in shambles, the failed Obsidian Order/Tal Shiar invasion of the Founders homeworld in the Omarion Nebula has left the Romulan Empire not much better off and between the hostilities with the Klingons and the recent Borg invasion of Federation space, Starfleet is spread thin as well. The only chance to fight back the Jem'Hadar invasion fleet, Sisko believes, is to seal the wormhole without damaging it or harming the Prophets, by using a series of phase-conjugate graviton beams (a method invented by Trill scientist Lenara Kahn). Kira objects to the sealing of the Celestial Temple, but Sisko overrules her.
Martok informs the newly arrived prisoners that Tain modified the life support system of their prison cell to send the subspace message to Cardassia, when a female Romulan prisoner arrives and tells Martok that "he" has been released from isolation. Worf asks who she is talking about, to which Martok replies: "A friend." A few seconds later, a Jem'Hadar pushes another prisoner, a Human wearing the previous style of Starfleet uniform, into the room, who, to Garak's and Worf's great astonishment, turns out to be Dr. Julian Bashir.
Act Five Edit
Bashir performs a blood screening on himself to prove to his fellow inmates that he is not a Changeling, although everyone knows that the screenings aren't totally trustworthy anymore. After that, he describes how he went to sleep after a conference about a month ago and woke up in the internment camp the next morning. Martok describes how the same happened to him after he was abducted from Qo'noS while hunting saber bear on Kang's Summit, and expresses disdain towards the Changeling who replaced him, calling it a "grave dishonor" to have had so many Klingons die because of his double. Worf assures the general that none of the dishonor is his, as Bashir worries about what the Changeling who replaced him on the station is up to. Worf says they must find a way to warn Captain Sisko before the Changeling can carry out whatever mission he has.
This very Changeling arrives at Ops at the same time, bringing sandwiches for Dax and O'Brien, who are working on the modifications on the graviton emitter controls. He tells them to let him know if they need anything.
Dukat is waiting in front of an airlock when Ziyal arrives and tells him that she will not leave DS9. Her father gets furious, telling her that things on Cardassia will change soon and that Garak is probably dead already. Ziyal still refuses to go, so Dukat rushes off, telling her to "stay here and be damned."
Martok informs Garak that if there is anything left he wants to say to Tain, he'd better do it soon. Garak and Bashir make their way to their prison cell, where Tain has already gone blind. He asks Garak if they're alone, and Garak lies about Bashir's presence, telling Tain that there's no-one else there. Tain then asks Garak about his enemies, to which his former protégé assures him that they have all been taken care of. Tain than advises him to stay alive and avenge his death. Garak says he will do so if he asks him this favor not as a mentor or a superior officer, but as a father. Tain replies that he is not his son, but Garak interrupts him: "Father, you're dying. For once in your life, speak the truth." Tain finally admits the truth, talking of his regret that he didn't kill Garak before he was born as he regarded him as a weakness. Garak begs for Tain to allow him to be his son even if only for a few moments. Tain recalls a day in the country when a five-year old Garak kept falling off a riding hound but never gave up and kept getting back on, recalling that despite everything he was very proud of him that day ("the only day," according to Garak). Tain finally dies, and Garak tells Bashir and Worf that his business in the camp has finished. The three then start planning their escape.
Meanwhile, all the Gamma Quadrant listening posts have been destroyed meaning the Dominion invasion is imminent. With no time left and, despite knowing they're trapping Worf and Garak in the Gamma Quadrant, the DS9 crew tries to seal the wormhole. However the station's graviton emitter array has been sabotaged and fails to destabilize the wormhole's graviton matrix. The wormhole opens moments later and a massive Dominion fleet enters the Alpha Quadrant…
Log entries Edit
Memorable quotes Edit
"You know, I think that actually helped my back."
- - Garak, after being held over a rail by Dukat.
"I just don't see why these runabout replicators can't provide a more varied menu. I'd like to get my hands on that fellow Earl Grey and tell him a thing or two about… tea leaves."
- - Garak
"What about Garak?"
"I want him back, too. I suppose I don't have to tell you to keep a close eye on him."
"At the first sign of betrayal, I will kill him. But, I promise to return the body intact."
"I assume that's a joke."
"We will see."
- - Worf and Sisko, regarding Garak
"Garak promised me that he would come back."
"Listen to me, Ziyal. He's never coming back. He's probably dead already. And even if he isn't, the Federation is going to seal the wormhole. Garak will be trapped on the other side!"
"He made a promise, and so did I. I said I would wait for him, and I will!"
"Is a promise to an enemy of your family more important than obeying your father? So be it. Stay here if that's what you want. Stay here and be damned!"
- - Ziyal and Dukat
"We must warn the station. There is only one reason for the Dominion to hide such a large fleet this close to the wormhole."
"You think they're planning to attack the Alpha Quadrant?"
- - Worf and Elim Garak
"You want me to sponsor your application to Starfleet Academy?"
"What do you think?"
"I… think it is a bad idea."
- - Worf and Garak, who had no intention of actually applying
"Lying is a skill like any other. And if you want to maintain a level of excellence, you have to practice constantly."
- - Garak, to Worf
"This is Internment Camp 371. You are here because you are enemies of the Dominion. There is no release, no escape, except death."
- - Ikat'ika, to Worf and Garak
"It's the honorable thing to do."
"You use that word, but you have no idea what it means."
"Maybe not, but you do."
- - Garak and Worf
"The man is a heartless, cold blooded killer."
"Like I said, he's a Cardassian!"
- - Dukat and Kira, talking about Garak
"Save your excuses, Major. You've betrayed me, and I promise I won't forget it."
"If that is a threat, I'm not impressed."
"There was a time when Bajorans took Cardassian threats seriously."
- - Dukat and Kira
"Ah, good. You look like the man in charge. I was just trying to explain to your colleagues here that this is all an unfortunate misunderstanding."
"Cardassians are all alike. You talk too much."
- - Garak and Ikat'ika, grabbing Garak by the throat
"When were you brought here?"
"Over a month ago. I was attending a burn treatment conference on Meezan IV. I went to bed one night, and woke up here."
"The same thing happened to me, except… I was hunting sabre bear out on Kang's Summit. Little did I know I was being stalked as well. And now I'm told the Changeling that replaced me has caused the deaths of countless Klingons. It is a grave dishonor."
"You are not to blame."
"I can only imagine what my replacement is up to on the station."
"We must escape and warn Captain Sisko before that Changeling carries out his mission."
- - Garak, Bashir, Martok, and Worf
"Ziyal, you have to trust me. Things are going to change on Cardassia."
"I don't have time to explain. You're leaving now!"
"I can't go!"
"It's him, isn't it? That despicable tailor! You don't want to leave because you're waiting for him!?"
- - Dukat and Ziyal
"I should have never have come here. I should have let that monster die forgotten and alone."
"Well frankly I'm glad you came, misery loves company."
"All my life, I've done nothing but try to please that man. I let him mold me, let him turn me into a mirror image of himself. And how did he repay me? With exile. But I forgave him. And here, in the end, I thought maybe, just maybe, he could forgive me."
"From what I've seen of him over the past month he doesn't come across as the forgiving type."
"I've been a fool. Let this be a lesson to you, doctor – perhaps the most valuable one I can ever teach you. Sentiment is the greatest weakness of all."
"If that's true, it's a lesson I'd rather not learn."
- - Garak and Bashir, talking about Tain
"A Dominion invasion of the Alpha Quadrant will affect Cardassia every bit as much as it's going to affect us. Besides, we need all the help we can get. The Dominion picked a perfect time to invade. The Cardassian fleet is in shambles, the Romulans are not much better off, and between the Klingon war and the recent Borg attack, Starfleet's spread pretty thin."
"Then we're going to have our hands full. There are at least 50 Dominion ships headed our way. For all we know, that could be just the first wave."
- - Benjamin Sisko and Kira Nerys
"Elim. Promise me one thing."
"Don't die here. Escape. Live."
"Let me guess. So I can make the Dominion pay for what they've done to you."
"You wouldn't deny an old man his revenge, would you?"
"I'll do as you ask, on one condition…That you don't ask me this favor as a mentor, or a superior officer… but as a father asking his son."
"You're not my son."
"Father, you're dying. For once in your life, speak the truth."
"I should have killed your mother before you were born. You have always been a weakness I can't afford."
"So you've told me. Many times. Listen, Enabran. All I ask is that for this moment, let me be your son."
(a pause) "Elim, remember that day…in the country. You must've been almost five."
"How can I forget it? It was the only day."
"I can still see you, on the back of that riding hound. You must've fallen off a dozen times. But you never gave up."
"I remember limping home…You held my hand."
"I was very proud of you, that day."
- - Tain's dying words to Garak
Story and scriptEdit
- Interestingly, the earliest origins of this episode involved not the Dominion but Michael Eddington. The plan was to do an episode inspired by the 1963 John Sturges film The Great Escape, with Eddington in the role of the escapee. Obviously, this episode was going to be a sequel to "For the Uniform". The producers liked the idea because it would force the audience to empathize with Eddington, while the Federation was basically going to be portrayed as the bad guys. The reason the episode never got made was because, as Ira Steven Behr explains, "We weren't confident that the fans were really behind the character." So while they changed their plans for how to use Eddington, the idea for doing a 'prison break' episode never went away, and eventually, that idea formed the basis of this two-parter. (Star Trek: Deep Space Nine Companion)
- In the original screenplay for this episode Tain's acknowledgment of Garak as his son was much more straightforward, he simply admits to being his father, says he loves him, and dies. Ira Steven Behr never liked this scene however, so he ultimately rewrote it to the scene in the finished episode where Tain does acknowledge his son, but in a very oblique way. (Star Trek: Deep Space Nine Companion)
- The producers' rationale for this two-part episode was simple; as Ira Steven Behr explains, "It was the time of the year when it seemed right to do a two-parter. Basically the same spot where "Past Tense, Part I" and "Past Tense, Part II" were in the third season and where "Homefront" and "Paradise Lost" were in the fourth. And after doing "Apocalypse Rising" to open the season, we knew we had to get the Changelings back into the show, and to get the Dominion back on the playing field." Robert Hewitt Wolfe describes the episode as "a way to tie up a lot of loose ends and sort of propel us into the war." (Star Trek: Deep Space Nine Companion)
- When Worf and Garak meet Julian Bashir in Internment Camp 371, he is wearing the old style uniform (which made its last appearance in "The Ascent" earlier in Season 5). It is therefore likely that Bashir was captured and replaced some time before the events of "Rapture". This would mean that the Changeling infiltrator not only performed brain surgery on Sisko in "Rapture", but also helped deliver Kirayoshi O'Brien and was either unable or unwilling to save the life of the sick infant Changeling in "The Begotten". Of the Bashir as Changeling storyline, Alexander Siddig said "Apparently, I'd been a changeling for the previous three or four shows before this fact was revealed in "In Purgatory's Shadow". But I didn't know it until the last minute. So obviously it had no impact in how I'd played him in those earlier episodes. Once I did know, I had a chance to do something about how the other Bashir behaved. But what a shock!" (Star Trek: Deep Space Nine Companion) Bashir's status as a Dominion prisoner would return in the sixth season episode "Inquisition".
- The author Judy Klass, (whose novels include the Pocket TOS novel The Cry of the Onlies) pitched the concept of Tain being Garak's father. She commented "though I did not get on-screen credit for it, [it was] the idea that Garak was the illegitimate son of Enabran Tain, and that was one more reason why he's a double or triple agent and a chronic liar; he has had to spend his whole life pretending not to know that the man who is his patron and a 'friend of the family' is his father. Robert Hewitt Wolfe was a gentleman and called me a year after I pitched the idea as a basis for an episode to tell me they were using it, tucked inside another episode, and paying me for it". Klass received US$1,000 for the pitch. (Voyages of Imagination)
- Since Bashir said he went to bed one night and woke up in prison, Ronald D. Moore commented "He musta been verrrrrry tired and fallen asleep in his uniform." (AOL chat, 1997)
- Due to the long hours in shooting the episode, both J.G. Hertzler and Cathy DeBuono fell asleep at certain points, such as the scene where Tain dies. (The Official Star Trek: Deep Space Nine Magazine issue 21)
- This episode is dedicated to the late Derek Garth, a grip who was killed in a car accident while on his way to work during the filming of this very episode. Ira Behr commented that Garth was "the most positive person on the set". (Star Trek: Deep Space Nine Companion)
- Melanie Smith enjoyed working for director Gabrielle Beaumont, commenting: "I had a real natural affinity towards her. I thought she was a wonderful director, and I was really pleased with the work she got out of me. I think that says a lot. Probably an actor's biggest complement is that they like what they did with them. She was just a delight". ("Growing Pains, Star Trek Monthly issue 31)
Continuity and triviaEdit
- This episode marks the first appearance of the real Martok. We know this is the first time we have met the real character because when he meets Worf, he merely says "I have heard of you." The real Martok's attitude stands in contrast to his depiction earlier in the series. He seems more empathetic and less hostile to others, especially Worf. He also has none of the desire for war with the Federation which his doppelganger possessed. In "The Way of the Warrior", Worf embarrassed Martok's son Drex in public, simply to get the General's attention, and it seems unlikely he would forget such a thing. This is further corroborated when Martok says his last memory before ending up in the internment camp was sabre bear hunting; previous scenes involving Martok featured his full involvement in the war and he seemed unlikely to have had reserved time for such a recreational activity. As such, the Martok we met in "The Way of the Warrior" is undoubtedly the Changeling infiltrator who is killed in "Apocalypse Rising" and not the real Martok, although there is still some discussion amongst fans as regards exactly when Martok was replaced.
- The Enabran Tain/Garak/Obsidian Order storyline as played out over the episodes "The Wire", "Improbable Cause" and "The Die is Cast", and which saw the Obsidian Order and the Romulan Tal Shiar wiped out in the Battle of the Omarion Nebula, is given a sense of closure. We also find out that the Female Changeling was lying in "Broken Link" when she told Garak there were no survivors from the Cardassian-Romulan fleet.
- The nebula where Worf and Garak encounter the Dominion fleet is actually one of the background plates of the Mutara Nebula, as seen in Star Trek II: The Wrath of Khan, slightly recolored and flipped upside-down.
- There are a number of references to previous episodes: the interaction on the runabout between Worf and Garak recalls their fight in "Broken Link"; Garak's reference to the attack on New Bajor in the Gamma Quadrant recalls Third Talak'talan's claim in "The Jem'Hadar" that the colonists fought well; O'Brien's mention of Lenara Kahn and her work with the wormhole refers to "Rejoined". There is even a reference to The Next Generation in Garak's disparaging remarks about Earl Grey, the favorite beverage of Jean-Luc Picard.
- This episode represents the next stage in the evolution of the relationship between Kira and Dukat. Episodes such as "The Maquis, Part II" and "Civil Defense" had served to soften the animosity between them and add a degree of ambiguity as to how their relationship might develop. Subsequently, this ambiguity led to the episodes "Indiscretion" and "Return to Grace", where they were forced to actually form an alliance (much to Kira's chagrin, and Dukat's pleasure). "In Purgatory's Shadow", however, represents the end of that brief alliance, and the beginning of a renewed period of antipathy between them.
- This episode mentions a Borg attack. This was intended to refer to the Battle of Sector 001 seen in Star Trek: First Contact. (AOL chat, 1997) However the stardate given in the film (50893.5) is later than the stardate given in this two-parter (50564.2; seen in the next episode, "By Inferno's Light"). When asked about the inconsistency, Ronald D. Moore commented, tongue-in-cheek, "I am not at liberty to reveal the secret messages contained within the seeming "mistaken" stardates, but rest assured that it is another brilliantly conceived and skilfully executed Star Trek moment brought to you by the people who wrote "Meridian"." (AOL chat, 1997)
- Dukat's line to Ziyal "Stay here and be damned!", parallels Kang's line to Jadzia "Come and be damned!" in "Blood Oath".
- This is the only episode of the series to be directed by Gabrielle Beaumont.
- Paul Dooley makes his last appearance as Enabran Tain in this episode.
- Melanie Smith makes her first appearance as Tora Ziyal here. Cyia Batten and Tracy Middendorf previously played the role.
- Odo and Kira discuss the recent return of Odo's changeling abilities, which occurred two episodes prior, in "The Begotten".
- The Starfleet uniforms used in the early episodes from the premiere episode, "Emissary" up to "The Ascent" and throughout Star Trek: Voyager as well as Star Trek Generations make a surprise appearance in this episode.
- Cirroc Lofton (Jake Sisko) does not appear in this episode.
Video and DVD releases Edit
- UK VHS release (two-episode tapes, CIC Video): Volume 5.7, 2 June 1997
- As part of the DS9 Season 5 DVD collection
Links and references Edit
Also starring Edit
- Rene Auberjonois as Odo
- Michael Dorn as Lt. Commander Worf
- Terry Farrell as Lt. Commander Dax
- Cirroc Lofton as Jake Sisko
- Colm Meaney as Chief O'Brien
- Armin Shimerman as Quark
- Alexander Siddig as Doctor Bashir
- Nana Visitor as Major Kira
Guest stars Edit
- Andrew J. Robinson as Garak
- Marc Alaimo as Gul Dukat
- Melanie Smith as Tora Ziyal
- J.G. Hertzler as Martok
- James Horan as Ikat'ika
Uncredited co-stars Edit
- Cathy DeBuono as Breen prisoner
- James Lee Stanley as Bajoran security deputy
- Unknown performers as
Stunt double Edit
Alpha Quadrant; airlock; Bajor; Bajoran; Bajoran Intelligence; Bajoran shrine; Bajoran wormhole; Battle of Sector 001; Battle of the Omarion Nebula; battle cruiser, Klingon; battle stations; blood; blood type; blood screening; Borg; Breen; Brun; Cardassia; Cardassian; Changeling; cold-blooded; commander; commanding officer; Danube-class; Defiant, USS; dog; Dominion; Dominion cold war; Dukat's Bird-of-Prey; Earl Grey; Earl Grey tea; Elgol-red; exile; Federation; Federation-Klingon War (2372-73); heart; humanoid; Ferengi; Finding and Winning your Perfect Mate; Gamma Quadrant; God; graviton emitter; Internment Camp 371; Jem'Hadar; Jem'Hadar attack ship; Jem'Hadar cruiser; Kahn, Lenara; Kang's Summit; Keedera; kiss; Klingon battle cruiser; Klingon opera; laundry list; lie; listening post; Maryland, USS; Meezan IV; Memad; mentor; Mogh; nebula; neutrino; New Bajor; Nog; Obsidian Order; O'Brien, Kirayoshi; phase-conjugate graviton beam; planetary survey report; poison; polarized hull plating; Promenade; Prophets; Proxima, USS; Quark's; Rain, Jennings; recursive algorithm; Rio Grande, USS; Romulan; Romulan ambassador; runabout; sabotage; sabre bear; sandwich; Sarajevo, USS; solid; sponsor; Starfleet; Starfleet Academy; Starfleet Command; superstition; Surjak; toh-maire; Tora Naprem; Trill Science Ministry; ultritium; United Federation of Planets; Vorlem; warp; yellow alert
- "In Purgatory's Shadow" at StarTrek.com, the official Star Trek website
- "In Purgatory's Shadow" at Memory Beta, the wiki for licensed Star Trek works
- "In Purgatory's Shadow" at Wikipedia
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