Tim Brooke-Taylor joining the series for the second season). Describing itself as "An Encyclopedia of the Air", this series was a string of comedy sketches (often lifted from "I'm Sorry I'll Read That Again"), linked (loosely) by a weekly running theme. Unfortunately, nothing but a few minutes of film inserts exist for this programme, though home-made off-air audio recordings survive for both seasons. The success of "Broaden Your Mind" led to the commissioning of "The Goodies", also with Bill Oddie and Graeme Garden. First transmitted on BBC2 in November 1970, "The Goodies" was a huge television success, running for over a decade
Cambridge Footlights Revue and four radio shows which were eventually broadcast in November and December 1964. Following their successful New Zealand tour, "Cambridge Circus" transferred to Broadway in September 1964 and finally Off-Broadway. The revue was broadcast on television in the United States when the cast made an appearance on The Ed Sullivan Show during October 1964, featuring some of the sketches. The show was written by, and starred, Tim Brooke-Taylor, Graham Chapman, John Cleese, David Hatch, Bill Oddie, Chris Stuart-Clark and Jo Kendall. Also in the original cast was Tony Buffery, who later became an experimental psychologist. Jonathan Lynn also later joined