The Invisible Enemy (4)
Run Time: mins
Air Date: Sat, 22 Oct 1977
Average Rating: ⭐ 6.8 (4 votes)
BBC One BBC TelevisionSeason 15 - Episode 8
Average Rating: ⭐ 6.8 (4)
The Nucleus, now grown to human size, is determined to spawn and take over the Galaxy. Only the Doctor and Leela can stop it.