EntityQ3441900· pop 8· linked from 38 articlesUnnatural SelectionSign in to save7th episode of the second season of Star Trek: The Next GenerationConnectionsStar Trek II: The Wrath of KhanEntitylist of Star Trek: The Next Generation episodesEntityKeith R. A. DeCandidoEntityInternational Standard Book NumberEntityIMDbEntitygenetic engineeringEntityquarantineEntityPatrick StewartEntityandroidEntitygeriatricsEntityStar Trek: The Original SeriesEntityStar Trek: The Next GenerationEntityStar Trek: Deep Space NineEntityBrent SpinerEntityJean-Luc PicardEntityColm MeaneyEntityUnited Federation of PlanetsEntityStarfleetEntityThe A.V. ClubEntityDiana MuldaurEntityCategories1989 American television episodesStar Trek: The Next Generation season 2 episodesTelevision episode articles with short description and disambiguated page namesTelevision episode articles with short description for single episodesTelevision episodes about diseases and disordersTelevision episodes about eugenicsTelevision episodes about genetic engineeringTelevision episodes directed by Paul Lynch (director)