Terror of the Zygons (4)
Run Time: 25 mins
Air Date: Sat, 20 Sept 1975
Average Rating: ⭐ 7.4 (5 votes)
BBC One BBC TelevisionSeason 13 - Episode 4
Average Rating: ⭐ 7.4 (5)
UNIT attempt to track down the Zygon ship while Broton prepares to have the Skarasen attack London.