The Foundation Trilogy consists of three sections:

1. Foundations

2. Foundation and Empire

3. Second Foundation

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

1. Psychohistory and Encyclopedia

2. The Mayors

3. The Merchant Princes

4. The General

5. The Mule

6. Flight From The Mule

7. The Mule Finds

8. Star's End