An expedition sets out to discover what has happened to a lost colony on a distant planet. Amongst the scientists is a teenager raised to be a kind of human computer, able to make connections between different specialisms.

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Main Cast: Clive Endersby, John Meillon, Bill Nagy, David Knight, Burt Kwouk, Roger Croucher, Tenniel Evans, David Sumner, Peter Diamond, John McArdle

Director: Naomi Capon

Writer: Isaac Asimov

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Cinematographer:

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