The Fifth Doctor, Tegan and Turlough arrive on Sea Base 4, a nuclear warhead station under the sea that has some very nasty neighbours.
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▶ Watch Doctor Who: Warriors of the Deep FreeYou can watch Doctor Who: Warriors of the Deep (1984) online for free in HD on FreeFlix. No signup or subscription is required — just open this page and click play.
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The Fifth Doctor, Tegan and Turlough arrive on Sea Base 4, a nuclear warhead station under the sea that has some very nasty neighbours.
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