DoctorDoctor Who Guide

Season 15 (1977-1978)


The Invisible Enemy

Last Updated 06 May 2013 by Chuck Foster

Doctor Who: The Invisible Enemy

The Invisible Enemy

Story Number: 93 (4T)

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Writer: Bob Baker, Dave Martin
Director: Derrick Goodwin

Starring: : Tom Baker, Louise Jameson, John Leeson, Frederick Jaeger, Michael Sheard

No of Episodes: 4
First Broadcast: Sat 01 Oct 1977 - Sat 22 Oct 1977
Running Time: 93 minutes 12 seconds


Average Audience: 7.92 Million       Average AI: 60


The Doctor is consumed by a virus so Professor Marius clones the Doctor and Leela, miniaturises them and injects them into the Doctor's body so that they can fight the infection.