1 episodes were broadcast on August 1st
Episode 6 of 6 from The Sensorites
The Doctor discovers that the illness is a deadly poisoning that has been introduced into the city water supply.
As an Amazon Associate we earn from qualifying purchases. The Doctor Who Site also participates in various other affiliate marketing programs, which means we may get paid commission on products purchased through our links.
The Doctor Who Site is a Doctor Who fan site with no connection to the BBC.
Doctor Who is copyright © by the British Broadcasting Corporation (BBC). No copyright infringement is intended.