Just a Minute of the show, all created by Messiter, include a 1952 version on South African radio, and a television version on the DuMont network in the United States. The pilot for the show was recorded in 1967, featuring Clement Freud, Derek Nimmo, Beryl Reid and Wilma Ewart as panellists. The chairman was originally planned to be Jimmy Edwards but he was unavailable on Sundays, the proposed recording dates, and was replaced by Nicholas Parsons who was originally supposed to be a panel member. Parsons did not want the job and only reluctantly took it, just for the pilot episode. After the
Just a Minute deemed incorrect. If a witty interjection amuses the audience, but is not a correct challenge, at the chairman's discretion the challenger can nevertheless be awarded an extra point (the "bonus point" rule). A player who makes a correct challenge takes over the subject for the remainder of the minute, or until he or she is successfully challenged. The person speaking when the whistle blows after 60 seconds also scores a point. An extra point is awarded if a panellist speaks for the entire minute without being challenged. It is rare for a panellist to speak within the three cardinal rules