DoctorDoctor Who Guide

Season 9 (1972)


The Mutants: Episode Four

Last updated 31 May 2015


Episode Four

Episode Four

Series Episode Number: 321

World Premiere: Sat 29 Apr 1972 - 5:49pm BST [BBC One] (United Kingdom)
First Broadcast: Thu 2 Oct 1975 - 6:30pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes

7.50 Million


Chart Position: 44 ()

Recorded on Tue 14 Mar 1972 in TC8
Archive State: PAL 2 VT



The Doctor deduces the true meaning of the ancient carvings and must brave the intense radiation of the thaesium caves to retrieve a crystal.