Revealing secrets of radio audience research - plus the rhubarb tart song.

More quick-fire sketches, terrible puns, humorous songs and parodies.

Stars Tim Brooke-Taylor, John Cleese, Graeme Garden, David Hatch, Jo Kendall and Bill Oddie.

Written by John Esmond and Bob Larbey, Graeme Garden, Alan Hutchison and Bill Oddie.

Originating from the Cambridge University Footlights revue 'Cambridge Circus', ISIRTA ran for 8 years on BBC Radio and quickly developed a cult following.

Music and songs by Dave Lee, Bill Oddie and John Cleese.

Producer: Humphrey Barclay

First broadcast on the BBC Home Service in April 1966. Show less