Overview: When the crew goes exploring on a snowy planet, they cross paths with a hologram scientist infected with a nasty virus.
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First Air Date: Feb 15, 1988Last Air date: Nov 16, 2017Season: 12 SeasonEpisode: 73 EpisodeRuntime: 30 minutesQuality: HDIMDb: 8.05 / 10 by 380 usersPopularity: 94.648Language: English