The Foundation Trilogy is a radio series that was broadcast weekly on BBC Radio 4 as eight hour-long episodes between 6 May and 24 June 1973. It is an adaptation of Isaac Asimov's Foundation trilogy of science fiction novels. Patrick Tull presented the first four episodes while Mike Stott presented the last four. David Cain directed the series. The series was repeated in 1977 and 2002.

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