Jamie tries to evade Yeti in the tunnels of the London Underground. Meanwhile, The Doctor and Victoria meet a potential new ally - Colonel Lethbridge-Stewart.
Director:
Writer:
Patrick Troughton
The Doctor (voice)
Frazer Hines
Jamie McCrimmon (voice)
Deborah Watling
Victoria Waterfield (voice)
Nicholas Courtney
Colonel Lethbridge-Stewart (voice)
Jack Watling
Professor Travers (voice)
Tina Packer
Anne Travers (voice)
