Episode
Doctor Who: The Invisible Enemy (1)
Overview
Deep space, 5000AD. An Earth supply shuttle is infected by a strange sentient space-borne virus, which quickly spreads to the crew of the refuelling station on the moon Titan. Even worse, the Doctor himself falls victim. But why is Leela immune, and what is the virus's ultimate goal?
Details
- Series
- Doctor Who
- Season
- Season 15
- Episode
- Episode 5
- Air date
- 1977-10-01
- Runtime
- 25 min
Episode context
The Invisible Enemy (1) is Episode 5 in Season 15 of Doctor Who. It aired on 1977-10-01. The runtime is 25 min.
Previous / Next
Episode 4: Horror of Fang Rock (4)
The Rutan starts picking off the surviving humans one by one as the Doctor and Leela struggle to defeat not only the alien but an entire fleet waiting to occupy Earth.
Episode 6: The Invisible Enemy (2)
Leela and Lowe take the Doctor to the Bi-Al Foundation for help. But how can they cure an infection of the mind?
More episodes from this season
Episode 3: Horror of Fang Rock (3)
The Doctor barricades everyone in the lighthouse to protect them from the mysterious deadly creature in the fog. But it may already be inside, biding its time…
Episode 7: The Invisible Enemy (3)
Miniaturised clones of the Doctor and Leela are injected into his brain. But they must now fight the virus on its own level. And its servants are closing in around them.
Episode 2: Horror of Fang Rock (2)
The survivors of a wrecked ship are stranded with the lighhouse crew on Fang Rock as a deadly menace slithers through the fog. Has the Beast of Fang Rock returned?
Episode 8: The Invisible Enemy (4)
The Nucleus, now grown to human size, is determined to spawn and take over the Galaxy. Only the Doctor and Leela can stop it.
Episode 1: Horror of Fang Rock (1)
The English channel, the 1900s AD. The TARDIS lands on barren Fang Rock, inhabited until now only by three lighthouse keepers. But what is the strange fog covering the island, and can it be connected to the falling star sighted earlier that night?
Episode 9: Image of the Fendahl (1)
England, the late 1970s. At Fetch Priory, Dr Fendelman's experiments with the new Time Scanner are disrupted by the mysterious death of a hiker, nearby. Then there's the mysterious skull, also being used as part of his work. A skull that seems to predate the evolution of mankind. What is the true role of the Fendahl in humanity's evolution?
Episode 10: Image of the Fendahl (2)
The mystery surrounding the strange skull deepens. Thea is slowly succumbing to its influence while the Doctor prepares to battle a creature from mythology.
Episode 11: Image of the Fendahl (3)
While Max prepares to tap supernatural forces beyond imagining, the Doctor and Leela investigate the legend of the Fendahl.
Episode 12: Image of the Fendahl (4)
The Fendahl is returning to life, ready to consume everything in its path. Can the Doctor find a way to kill death itself?
Episode 13: The Sun Makers (1)
Pluto, the distant future. The planet has been terraformed and is now orbited by artificial suns, provided by the rapacious company who ruthlessly exploit the relocated human workforce. The Doctor, Leela, and K9 arrive and befriend a luckless drone worker, but they must flee with him to the dark undercity...