
Season 13, episode 6
Planet of Evil (2)
- 25 min
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.

Season 13, episode 6
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.