BBC
Doctor Who: The Invisible Enemy(1977)

Released on : 1977-10-22
Run Time : 100 mins
: 7.2 | en | Science Fiction, Drama, Adventure
A three-man rocket crew are nearly done with their mission to Titan Base until a course change puts the rocket in the path of a strange cloud in space. By the time they arrive, they have come under the control of a sentient virus which threatens the galaxy. When the TARDIS picks up an emergency message, it flies into the cloud, infecting the Doctor. To save himself and others, he must undertake a dangerous journey.
Tom Baker
Tom Baker
Louise Jameson
Louise Jameson
John Leeson
John Leeson
Michael Sheard
Michael Sheard
Brian Grellis
Brian Grellis
Jay Neill
Jay Neill
Edmund Pegge
Edmund Pegge
Frederick Jaeger
Frederick Jaeger