Star Trek: The Next Generation: Season 3, Episode 15

Yesterday's Enterprise (17 Feb. 1990)

TV Episode  -   -  Action | Adventure | Sci-Fi
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The Enterprise C enters the Enterprise D's time and space continuum, where they find Picard and crew in a constant state of war with the Klingons, and only Guinan knows it.



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Title: Yesterday's Enterprise (17 Feb 1990)

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Episode cast overview:
Tricia O'Neil ...


The Enterprise is observing a celestial anomaly, something akin to a wormhole when a starship appears having traveled through it. To everyone's surprise, the ship is an earlier version of the Enterprise, the Enterprise-C commanded by Captain Rachel Garrett. The instant the Enterprise-C arrives however, history is changed. Captain Picard and his Enterprise are battle weary with the Federation having been at war with the Klingon Empire for 20 years. Lt. Tasha Yar is alive with Lt. Worf nowhere to be found. Guinan knows something is wrong and Picard realizes that the Enterprise-C must return to its own time and place if their time line is to be restored. Written by garykmcd

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Release Date:

17 February 1990 (USA)  »

Company Credits

Production Co:

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Technical Specs


Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


In the alternate time-line, this episode's story writer Trent Christopher Ganino's name can be seen on a tactical situation monitor showing the progress of the Klingons in their war with the Federation. See more »


When Dr. Crusher taps her badge and calls for transportation for herself and Captain Garrett, she puts her tricorder away and reaches up to tap her badge again. She visibly catches herself, and appears embarrassed at the slip. See more »


[last lines]
Guinan: Geordi, tell me about... Tasha Yar.
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Featured in Star Trek: Beyond the Final Frontier (2007) See more »


Star Trek: The Next Generation Main Title
Composed by Jerry Goldsmith and Alexander Courage
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User Reviews

My favorite episode of Star Trek: The Next Generation
18 March 2011 | by (The Twin Cities, Minnesota) – See all my reviews

There were reasons why David Carson was chosen to direct the first film featuring the characters from Star Trek: The Next Generation, Star Trek: Generations (1994), (outside of cost and schedule) and the rich style, cinematic atmosphere, and dramatic thrills of season three episode "Yesterday's Enterprise" is surely one of those reasons. Every line, every shot, every frame entertains as much as it is substance-filled in this episode - it is Trek features like this (counting TV episodes and feature films) that make us fall in love with Star Trek.

All is calm at first: the Enterprise-D is cruising through space before it has a run-in with a rift in time where the Enterprise-C emerges, a ship that has been missing in action for 22 years. Suddenly everything changes with the Enterprise-C's arrival: the once bright bridge with Worf stationed at tactical is instantly changed to a dark battle bridge with the long-gone Tasha Yar at her previous tactical post - and the Federation is knee-deep in a decades-long war with the Klingon Empire. Only Guinan remains unchanged by this twist in history and has the most unpleasant responsibility in being the catalyst for setting things right.

"Yesterday's Enterprise" holds all that makes for great Star Trek viewing: a great story, characters at the center, excellent performances, bold style, and thoughtful themes. David Carson's wonderful framing and deep coloring mingles with Denise Crosby's terrific guest- starring performance in a very moving storyline for her character (if she was this good in the first season, I might have been sorry to see her character go) and a slightly off-character crew living in a dangerous world. The performances are top-notch, the tension is in high gear and wonderfully crafted, and the action is some of the finest in the series' 7-year run - but none of these fine elements overshadows the excellent themes that address the importance of history on the present. If any whining kid (or adult for that matter) asks why he or she needs to learn history, a quick viewing of "Yesterday's Enterprise" should answer their ignorant question. The events of the past dictate the events of the future and this fine episode clearly illustrates that.

"Yesterday's Enterprise" is easily one of the best episodes to appear in any of the Star Trek franchise's 5 television shows and it is, hands down, my favorite episode of the Star Trek: The Next Generation series.

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