Doctor Who: The Invisible Enemy (1977) is a Science Fiction, Drama, Adventure film that follows 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. Doctor Who: The Invisible Enemy is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.2 out of 10 from 5 votes. Fans of science fiction movies may also want to explore similar titles below.