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A re-edited, feature-length version of the classic 1972 Doctor Who story that introduced audiences to the formidable aquatic species the Sea Devils.

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1 hour, 30 minutes

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Mon 8 Dec 2025 02:30
Â鶹Éç Four

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Enter The Whoniverse

Every Doctor, every companion, every enemy. Discover the Whoniverse. Only on Â鶹Éç iPlayer.