Doctor Who: Invisible Enemy
- Genre: Sci-Fi & Fantasy
- Date: 1977-01-01
- Vote: TV-14
- Episodes: 4
Description :
While answering a mayday, the TARDIS passes through a mysterious cloud. Alarmed, Leela senses a malevolent presence that leaves the Doctor fighting for his mind. Could the key to survival come from Professor Marius and his dog-shaped computer, K-9...?