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This page contains information regarding Star Trek: Strange New Worlds, and thus may contain spoilers.

Spock about to receive the final ritual of the kolinahr

"Kolinahr – through which all emotion is finally shed."
– Vulcan master, 2270s (Star Trek: The Motion Picture)

Kolinahr (ko-li-naar), as a word, described both the Vulcan ritual by which all remaining vestigial emotions were demonstrated as purged, and the mental discipline whereby this state was subsequently maintained. Not all Vulcans were required to make this final journey to pure logic. The duration of Kolinahr training was quasi-monastic in nature, and could vary from two to six (or more) years. (ENT: "The Andorian Incident"; Star Trek: The Motion Picture; VOY: "Flashback", "Fury")

T'Klaas, a student of Surak, was one of the first Kolinahr masters. His mummified remains were kept in the catacombs of the T'Karath Sanctuary, but were not marked. (ENT: "Awakening")

According to Judith Reeves-Stevens, the script for "The Forge" indicated that Syrran was a Kolinahr master.

The Vulcan monastery at P'Jem was a remote sanctuary for kolinahr and peaceful meditation. According to Sub-commander T'Pol, visitors would be turned away during the time of kolinahr. (ENT: "The Andorian Incident")

In 2258 in the alternate reality, Spock discussed the Kolinahr ritual with his mother shortly before making the decision to enter Starfleet instead of the Vulcan Science Academy. He wanted to ensure that if he decided to undergo Kolinahr, she would not interpret his decision as a rejection of her, or his Human half. She lovingly reassured him that, regardless of the decision he made, she would proudly stand behind him. (Star Trek)

In 2259, Spock briefly discussed Kolinahr with Angel (who at the time was impersonating humanitarian Doctor Aspen). Aspen admitted to never really understanding the point of Kolinahr; that since Vulcans naturally had emotions, why try to erase them? Spock responded that Kolinahr offered clarity and the ability to see oneself without bias, and admitted to be looking forward to his. (SNW: "The Serene Squall")

Spock began the process of the Kolinahr ritual after retiring from Starfleet circa 2270. By the end of his 2270s stay on Vulcan, Spock had completed all but the final ritual of the Kolinahr, but failed to do so after receiving powerful telepathic signals from the V'ger entity in deep space, and experiencing strong emotions as a result.

When discussing this with James T. Kirk and Leonard McCoy, the doctor mispronounced it as "kolineer". (Star Trek: The Motion Picture)

In 2298, Tuvok began immersing himself in Kolinahr after resigning from Starfleet. Six years later, he entered into Pon farr and married T'Pel. After they chose to raise a family, Tuvok postponed his studies. (VOY: "Flashback")

When Asildaughter of Tuvok and T'Pel – attained Kolinahr, a friend of her father, Kathryn Janeway, was present. (VOY: "Fury")



Spock informs Dr. McCoy of his intention to enter Kolinahr at the conclusion of The Lost Years, just after the Enterprise concludes its original five-year mission. Spock predicts that he will never see McCoy, Kirk, or any member of the Enterprise crew again, a prediction that McCoy instinctively refuses to accept.

Forgotten History briefly looks at Spock's reasons for going through Kolinahr, as he feels that his remaining emotions are the reason that he has been mentally compromised by so many creatures during the Enterprise's voyages.

The events pictured in Troublesome Minds and Crisis of Consciousness are also given as motivating factors for Spock's decision; at the end of the latter novel, he requests all data from the Vulcan Science Academy on the discipline.

In The Fire and the Rose, Spock again seeks to achieve Kolinahr when faced with a loss of emotional control after Kirk's apparent death on the USS Enterprise-B. He succeeds, but following his mother's death and a confrontation with Leonard McCoy, Spock undergoes a risky procedure to reverse the Kolinahr and restore his ability to feel emotions as he realizes his inability to grieve for his mother.

In the novelization of Star Trek: The Motion Picture, in the scene where Spock fails to complete his Kolinahr, it is stated to be Kirk's mind he is telepathically connecting with, not V'ger's.

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