EntityQ5510689· pop 7· linked from 79 articlesFuture ImperfectSign in to save8th episode of the fourth season of Star Trek: The Next GenerationConnectionslist of Star Trek: The Next Generation episodesEntityStar Trek: Lower Decks, season 1Entityscience fictionEntityIMDbEntityStar TrekEntityDVDEntityambassadorEntityvirtual realityEntityadmiralEntitytelevision programEntityStar Trek: The Next GenerationEntityStar Trek: VoyagerEntityStar Trek: Deep Space NineEntityStar Trek: EnterpriseEntityStar Trek: InsurrectionEntityJean-Luc PicardEntityEmpireEntityUnited Federation of PlanetsEntityStar Trek: The Animated SeriesEntitygrey alienEntityCategories1990 American television episodesHolography in televisionStar Trek: The Next Generation season 4 episodesTelevision episode articles with short description for single episodesTelevision episodes about amnesiaTelevision episodes about birthdaysTelevision episodes directed by Les Landau