Evolution (Star Trek: The Next Generation) Evolution (Star Trek: The Next Generation) "Evolution" is the first episode of the of the syndicated American science fiction television series "", the 49th episode overall, first airing on September 25, 1989. Set in the 24th century, the series follows the adventures of the crew of the Federation starship "Enterprise". In this episode, escaped nanites threaten the "Enterprise" as well as its critical research mission. The Federation starship "Enterprise", under the command of Captain Jean-Luc Picard (Patrick Stewart), approaches the binary star system to perform astrophysics research under the guidance of Dr. Paul Stubbs (Ken Jenkins), analyzing the decay of
Legacy (Star Trek: The Next Generation) thing she had to a friend. Data considers his relationships with both Ishara and Tasha, as the "Enterprise" departs. Legacy (Star Trek: The Next Generation) "Legacy" is the 80th episode of the syndicated American science fiction television series "", the sixth episode of the . It marked the point at which the series surpassed the number of episodes in . The "Enterprise" crew is caught in the midst of a civil war on Turkana IV, former crew member Tasha Yar's homeworld. While negotiating with one of the factions, they discover that the faction's representative is Tasha's younger sister, Ishara Yar.