Last updated 24 March 2024


Episode 1

Series Episode Number: 123

World Premiere: Sat 25 Jun 1966 - 5:35pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 12 Oct 1986 - 11:00pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 1 seconds

5.40 Million (UK)

Appreciation Index: 49 (UK)

Chart Position: 71 () (UK)

Recorded on Fri 10 Jun 1966 in Riverside 1
Archive State: 16mm t/r



In London in 1966, the Doctor and Dodo visit the new Post Office Tower and are introduced to the super computer, WOTAN.


Characters hide uncredited
Dr. WhoWilliam Hartnell
DodoJackie Lane
Major GreenAlan Curtis
Professor BrettJohn Harvey
PollyAnneke Wills
KittySandra Bryant
BenMichael Craze
FlashEwan Proctor
Sir Charles SummerWilliam Mervyn
Professor KrimptonJohn Cater
American JournalistRic Felgate
InterviewerJohn Doye
The voice of WOTANGerald Taylor (uncredited)
PolicemanPeter Stewart (uncredited)
KennedyGeorge Wildor (uncredited)
PressGrahame Tonbridge (uncredited)
PressSam Mansoray (uncredited)
PressS Singh (uncredited)
InterviewerJack Rowlands (uncredited)
Discoteque CustomerCarolee Foss (uncredited)
Discoteque CustomerJanice Hoye (uncredited)
Discoteque CustomerKathy Fitzgibbon (uncredited)
Discoteque CustomerTina Simmonds (uncredited)
Discoteque CustomerGloria Forstner (uncredited)
Discoteque CustomerFiona Fraser (uncredited)
Discoteque CustomerDaina Hallows (uncredited)
Discoteque CustomerMichele Barrie (uncredited)
Discoteque CustomerValerie Shelton (uncredited)
Discoteque CustomerRuth Calvert (uncredited)
Discoteque CustomerNigel James (uncredited)
Discoteque CustomerVictor Munt (uncredited)
Discoteque CustomerDecklan Cusse (uncredited)
Discoteque CustomerBarry Noble (uncredited)
Discoteque CustomerEmmett Hennessy (uncredited)
Discoteque CustomerSteve Hardy (uncredited)
Discoteque CustomerAlan Norburn (uncredited)
Discoteque CustomerAlan Cassell (uncredited)
Discoteque CustomerChris Reck (uncredited)
Discoteque CustomerGary Leeman (uncredited)