![](https://image.tmdb.org/t/p/w185/dAaVWMhCCrSuimSETs9Z5ZTZQ3v.jpg)
234.583 Views
When the crew goes exploring on a snowy planet, they cross paths with a hologram scientist infected with a nasty virus.
First Air Date : Feb 15, 1988
Last Air date : Nov 16, 2017
Episode : 73 Episode
Season : 12 Season
Runtime: 30:14 minutes
Country: United Kingdom