Star Trek: Season 1, Episode 28

The City on the Edge of Forever (6 Apr. 1967)

TV Episode  |   |  Action, Adventure, Mystery
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Ratings: 9.3/10 from 1,985 users  
Reviews: 27 user | 14 critic

When a temporarily maddened Dr. McCoy alters history and eliminates his time, Kirk and Spock follow him to prevent it, but the price to do so is high.



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Episode complete credited cast:
John Harmon ...
Hal Baylor ...
David L. Ross ...
John Winston ...
Bart La Rue ...
Guardian (voice) (as Bartell La Rue)


When an accident causes Dr. McCoy to go temporarily insane, he escapes to a strange planet. There, the search party discovers a device left by a superior, vanished civilization, a time portal that plays the history of Earth for them - but then Bones jumps through it into the past, causing a change in history important enough to make the Enterprise vanish. Kirk and Spock, who fortunately made a tricorder recording, must attempt to go through to just before McCoy's arrival and stop him from changing history in the US during the Great Depression, where they have no advanced technology available. Written by KGF Vissers

Plot Summary | Plot Synopsis


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Release Date:

6 April 1967 (USA)  »

Company Credits

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Technical Specs


Sound Mix:


| (flashbacks)

Aspect Ratio:

1.33 : 1
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Did You Know?


In Harlan Ellison's original story Beckwith's change of the past is revealed by members of the Enterprise team who are beamed back to the ship, only to find it is now a pirate vessel named The Condor. This idea was later used in Star Trek: Mirror, Mirror (1967). See more »


Script Supervisor is written as "SCPIPT SUPERVISOR...GEORGE A. RUTTER" in the credits. See more »


[Having arrived in Earth's distant past, Captain Kirk steals clothing so he and Spock can blend in but is halted by the sudden appearance of a policeman]
Policeman: [seeing Kirk with an armload of clothing] Well?
Capt. Kirk: You're a police officer. I recognize the traditional accoutrements.
Spock: [in regards to his own appearance] You were saying you'll have no trouble explaining it.
Capt. Kirk: [on the spot to explain Spock's alien features] My friend... is obviously Chinese. I see you've noticed the ears. They're... actually easy to ...
See more »

Crazy Credits

The closing credits are set against a combination background of stills from that episode and previous episodes. See more »


Featured in William Shatner's Star Trek Memories (1995) See more »

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User Reviews

One of the best, except for, maybe...
28 April 2007 | by (United States) – See all my reviews

I agree totally with the other posts. In my opinion, it is in the top three, along with 'An Errand of Mercy', and, of course, 'The Trouble with Tribbles,' which took the #1 spot in an audience choice-pick on (I think) the Sci-Fi Channel. In any event, I can't add anything to the excellent accolades already posted on 'City..', but I can't say I'm surprised, because, after all, despite its extensive re-writes (which I knew nothing about until now), it's still a Harlan Ellison piece, which is to say -- superb. I particularly agree with the person who gave kudos to Joan Collins. I'm not that familiar with her work -- she seems to be cast mostly in fluff roles, meant to extol her beauty -- but this was a terrific performance. Another post alluded to Shatner's acting ability, with which I also agree -- check out 'The Brothers Karamazov', and you'll see what I mean. And Spock, of course, was Spock, except, once again, recognized the depth of human emotion despite his mythic Vulcan stoicism. 'City...', in short, is extraordinary, both as sci-fi AND drama.

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