I'm Sorry, I'll Read That Again the pilot programme having been broadcast on 30 December 1963 under the title "Cambridge Circus". The ninth, final series was transmitted in November and December 1973, with fewer episodes (eight instead of the earlier thirteen per series). An hour-long 25th anniversary show was broadcast in 1989. It is comically introduced as "full frontal radio". "I'm Sorry I Haven't a Clue", a spinoff panel game show, was first produced in 1972. The title of the show comes from a sentence commonly used by BBC newsreaders following an on-air flub: "I'm sorry, I'll read that again." Having the phrase used to recover
Radio comedy are WSRN's "Audience of Two", Garrison Keillor's work on Minnesota Public Radio: "A Prairie Home Companion" and "Comedy College", and NPR's "Car Talk", a comedy show thinly disguised as car advice, and "Wait Wait... Don't Tell Me!". Shows featuring comedic music are also popular; one of the better known national comedy music programs is the long-running weekly program hosted by Dr. Demento, and several other local stations (mostly college radio, freeform and eclectic formats) have similar programs. Several networks program 24 hours a day of stand-up comedy routines; several channels on the Sirius XM Radio platforms focus on this format,