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...?

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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...?

    • EPISODE 1

    Invisible Enemy, Episode 1

    Deep space, 5000 AD. An Earth supply shuttle is infected by a strange sentient space-born virus, which quickly spreads to the crew of the refueling 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?

    • CC
    • 23 Minutes

    Deep space, 5000 AD. An Earth supply shuttle is infected by a strange sentient space-born virus, which quickly spreads to the crew of the refueling 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?

    • CC
    • 23 Minutes
    • EPISODE 2

    Invisible Enemy, Episode 2

    Leela and Lowe take the Doctor to the Bi-Al Foundation for help. But how can they cure an infection of the mind?

    • CC
    • 25 Minutes

    Leela and Lowe take the Doctor to the Bi-Al Foundation for help. But how can they cure an infection of the mind?

    • CC
    • 25 Minutes
    • EPISODE 3

    Invisible Enemy, Episode 3

    Miniaturized 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.

    • CC
    • 23 Minutes

    Miniaturized 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.

    • CC
    • 23 Minutes
    • EPISODE 4

    Invisible Enemy, Episode 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.

    • CC
    • 21 Minutes

    The Nucleus, now grown to human size, is determined to spawn and take over the Galaxy. Only the Doctor and Leela can stop it.

    • CC
    • 21 Minutes
© 1977 BBC

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