Castrovalva (4)
Run Time: 25 mins
Air Date: Tue, 12 Jan 1982
Average Rating: ⭐ 7 (3 votes)
BBC One BBC TelevisionSeason 19 - Episode 4
Average Rating: ⭐ 7 (3)
The TARDIS crew are caught in a space-time trap. Escaping will mean a final confrontation with the Master.