Last updated 24 March 2024

Episode 1

Series Episode Number: 215

World Premiere: Sat 14 Sep 1968 - 5:17pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 19 Oct 1986 - 11:00pm CDT [WTTW 11 Chicago]
Running Time: 22 minutes 20 seconds

6.60 Million (UK)

Appreciation Index: 51 (UK)

Chart Position: 55 () (UK)

Recorded on Fri 21 Jun 1968 in Television Centre 3
Archive State: 16mm t/r

The Doctor activates an emergency unit on board the TARDIS to escape destruction by a volcanic eruption.

Unfortunately, it moves them out of normal space and time to a deadly world where fantasy rules. The travelers find themselves lured out of the ship into a ghostly white void.