Doctor Doctor Who Guide

Last updated 21 March 2020

Part Six

Series Episode Number: 479

World Premiere: Sat 11 Mar 1978 - 6:25pm GMT [BBC One] (United Kingdom)
First Broadcast: Mon 18 Feb 1980 - 5:30pm CST [WTTW 11 Chicago]
Running Time: 25 minutes 54 seconds

9.80 Million (UK)

Chart Position: 35 () (UK)

Recorded on Sun 06 Nov 1977 in TC8


Stor, the Sontaran leader, finally gains access to the TARDIS in search of the Great Key of Rassilon and a dangerous game of hide and seek begins inside the Doctor's ship.