Guests include: Tony Blackburn, Joanna Lumley; George Michael and Andrew Ridgeley (Wham!)

20 Years of Radio 1 Special. Carl Wayne with a live performance of the first record played on Radio 1 — Flowers in the Rain. Jogging memories in the theatre Tony Blackburn and John Peel. Plus a live guided tour around Radio 1 as it's happening with Mike Smith, Bruno Brookes and Janice Long. Music from the charts: Johnny Hates Jazz performing "I Don't Want to Be a Hero". And the final point of this marathon, an interview for four: Pete Murray, Ed Stewart, Dave Cash, David Symonds.