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Memory Alpha is a collaborative project to create the most definitive, accurate, and accessible encyclopedia and reference for everything related to Star Trek. The English-language Memory Alpha started in November 2003, and currently consists of 42,237 articles. If this is your first visit, please read an introduction to Memory Alpha.


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13 February 2017
Sam Vartholomeos, Maulik Pancholy and Terry Serpico have joined the cast of Star Trek: Discovery as three different Starfleet officers. [1]
11 February 2017
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24 January 2017
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Featured article

Spock, young and old

Spock, younger and elder...

"Yesteryear" is the second episode of the first season of Star Trek: The Animated Series.

Spock, Kirk, and Erickson return through the Guardian of Forever after observing the dawn of Orion civilization. McCoy expresses surprise at the new arrival with Kirk and Erickson. Back on the Enterprise, McCoy reintroduces the ship's first officer for the past five years, an Andorian named Thelin.

"Captain's log, supplemental. When we were in the time vortex, something appears to have changed the present as we know it. No one aboard recognizes Mr. Spock. The only answer is... that the past was somehow altered."
Discovering that he had died at the age of seven and his mother soon afterward in a shuttle accident, Spock must travel back through the Guardian and try to prevent the events leading to his premature death.
– from Memory Alpha's Featured Articles (randomize)

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