The Doctor and his companions Steven Taylor and Dodo Chaplet arrive some ten million years into the future, on board a generation starship which is carrying the last of humanity away from an Earth that is about to fall into the Sun. However, the cold that Dodo has could prove devastating to these future humans and their servants, the Monoids.

Genres

Cast

William Hartnell

The Doctor

Peter Purves

Steven Taylor

Jackie Lane

Dodo Chaplet

Michael Sheard

Rhos

Paul Greenhalgh

Guardian

Roy Skelton

Monoid Voice

Eileen Helsby

Venussa

Terence Bayler

Yendom