Season 18

The Fourth Doctor's farewell season saw the Master return and Romana and K-9 elect to remain in E-Space. There were new companions in the shape of Adric, Nyssa and Tegan Jovanka.

  • Logopolis

    The Fourth Doctor is warned of his own demise but must save the universe from the Master.

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  • The Keeper of Traken

    An ancient evil threatens the peaceful world of Traken... the Master!

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  • Warriors' Gate

    The TARDIS is drawn to an empty void by Biroc, a time sensitive Tharil.

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  • State of Decay

    Trapped in E-Space, the TARDIS lands on a world where three Lords rule from their tower.

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  • Full Circle

    Landing on Alzarius the Doctor and Romana discover the descendants of a crashed starliner.

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  • See all episodes from Season 18

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Logopolis Part 4

4/4 With the fate of the universe at stake, the Doctor and the Master must collaborate.

Thu 3 Dec 1981 17:40 BBC Two

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