Doctor Who: Mission to the Unknown (1965)

On the planet Kembel, Space Security Service agent Marc Cory is investigating a recent sighting of a Dalek spaceship. His suspicion that the creatures may have established a base proves well-founded. He learns of a plot by the Daleks to invade and destroy the Solar System.

• Release Date: 1965-10-09
• Runtime: 0h 25min
• Production Company: BBC
• Production Country: United Kingdom
• Director: Derek Martinus