Isaac Asimov's The Foundation Trilogy was adapted for the BBC in eight hour-long episodes by Patrick Tull (episodes 1 to 4) and Mike Stott (episodes 5 to 8), directed by David Cain, first broadcast in 1973, and repeated in 1977 and 2002.

Originally broadcast in 8 parts, between 6 May and 24 June 1973.

Uploaded as a podcast for easy and accessible listening. The public domain audio files used are available on the Internet Archive at https://archive.org/details/IsaacAsimov-TheFoundationTrilogy/IsaacAsimov-Foundation1Of8.mp3

All podcast/episode descriptions from Wikipedia.