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Horizon (1964)
A quick guide to... The Quest for Gravity Control - Horizon - BBC Two
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
27 cast members
Michio Kaku
Kelly Hunter
Helen McCrory
Giles Yeo
Xand van Tulleken
Alice Roberts
Chris van Tulleken
Chris van Tulleken
Michael Mosley
David Attenborough