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Doctor Who (1963–1996) Season 21 Episodes

    Warriors of the Deep: Part 4

    War is avoided but lives are lost; the Doctor reflects there should have been another way.

    Warriors of the Deep: Part 3

    Vorshak's crew are cut down one by one by Sauvix's Sea Devil Warriors.

    Warriors of the Deep: Part 2

    The Silurians and Sea Devils send in the Myrka to spearhead their invasion.

    Warriors of the Deep: Part 1

    Seabase 4 is on alert as a strange craft approaches.

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