When the TARDIS malfunctions, it and its travellers land on Earth at the size of insects. They uncover a murderous plot involving a new insecticide, but how can they stop the crime in their miniaturised condition?
Director:
Writer:
William Hartnell
The Doctor
Carole Ann Ford
Susan Foreman
Jacqueline Hill
Barbara Wright
William Russell
Ian Chesterton
Alan Tilvern
Forester
Frank Crawshaw
Farrow
Reginald Barratt
Smithers
Rosemary Johnson
Hilda
Fred Ferris
Bert
