Overview: The Doctor realises that Zeta Minor lies on the boundary between the universes of matter and anti-matter and something on the planet won't let the Morestrans leave.
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First Air Date: Jan 01, 1970Last Air date: Jan 01, 1970Season: SeasonEpisode: EpisodeRuntime: minutesQuality: HDIMDb: / 10 by usersPopularity: Language: