1968/03/09 (US) | Drama, Action, Adventure
The TARDIS narrowly avoids becoming engulfed in a cobwebby substance in space. It arrives in the London Underground railway system, the tunnels of which are being overrun by the web and by the Great Intelligence's robot Yeti. The time travellers learn this crisis was precipitated when Professor Travers, whom they first met in the Himalayas some thirty years earlier, accidentally caused one of the Yeti to be reactivated, opening the way for the Intelligence to invade again.
Douglas Camfield
Director
Patrick Troughton
The Doctor
Frazer Hines
Jamie McCrimmon
Deborah Watling
Victoria Waterfield
Nicholas Courtney
Colonel Lethbridge-Stewart
Jack Watling
Professor Travers
No Image
Tina Packer
Anne Travers
No Image
Jon Rollason
Harold Chorley
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Released
Mervyn Haisman
Writer
Henry Lincoln
Writer
Peter Bryant
Producer
Derrick Sherwin
Script Editor
Delia Derbyshire
Theme Song Performance