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Roddenberry, Gene & Rick Berman (Executive Producers). "Yesterday's Enterprise". Star Trek: The Next Generation, season 3, episode 14 (Production number 163). Co-Executive Producer: Michael Piller. Directed by David Carson. Story by Trent Christopher Ganino & Eric A. Stillwell. Teleplay by Ira Steven Behr & Richard Manning & Hans Beimler & Ronald D. Moore. Paramount Pictures. 19 February 1990.