Star Trek: The Animated Series: Season 1, Episode 2

Yesteryear (15 Sep. 1973)

TV Episode  |  TV-Y7  |   |  Animation, Action, Adventure
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Ratings: 8.2/10 from 228 users  
Reviews: 1 user | 3 critic

After finding himself erased from recent history, Spock must travel back in time to save himself as a youth.



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Title: Yesteryear (15 Sep 1973)

Yesteryear (15 Sep 1973) on IMDb 8.2/10

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Episode cast overview:
Capt. Kirk (voice)
Mr. Spock (voice)
Dr. McCoy (voice)
Lt. Hikaru Sulu (credit only)
Lt. Uhura (voice) (credit only)
Amanda Grayson / Grey (voice)


Upon his return from a journey through the Guardian of Forever Kirk realizes that history has been altered and no one remembers Spock. An Andorian is now his First Officer and it appears that Spock met an untimely death during a childhood ritual on Vulcan. Spock must use the Guardian again and return to the Vulcan of his youth and restore his time line. Written by tomtrekp

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Release Date:

15 September 1973 (USA)  »

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Technical Specs


| (technicolor)
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Did You Know?


The selat, the saber toothed bear-like creature that is Spock's pet, was first mentioned in Star Trek: Journey to Babel (1967). On that episode, Dr. McCoy asked Spock's mother, Amanda, what Spock was like as a child and she mentioned the pet. See more »


Commander Thelin's collar is black but is blue in some shots during the meeting in the briefing room. See more »


Young Spock: There was a decision to be made: a direction for my life had to be chosen. I chose Vulcan.
Amanda Grayson: [closes her eyes, realizing that her son's human half will be minimized]
Sarek: It is good, then. You have comported yourself with honor.
See more »


Featured in Drawn to the Final Frontier (2006) See more »

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User Reviews

perhaps the best in the animated series
4 January 2009 | by (Canada) – See all my reviews

I am not huge fan of the Star Trek: Animated Series, but i loved this episode.

It has a Guardian of Forever, Spock traveling through time to save himself, his "large teddy bear with six-inch fangs" pet, that is a reference from the Original Series, and lots of Vulcan logic :)

You can also see Spock getting emotional as a kid, fighting with other kids, and being a child of two worlds. Realising of this is critical for understanding of this versatile character.

So, this is a pleasant episode to watch.

I rate this episode 9/10.

8 of 9 people found this review helpful.  Was this review helpful to you?

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