Just a Minute appeared on the panel, and others have acted as chairman including Sir Clement Freud, Geraldine Jones, Andrée Melly "as our contribution to the women's liberation movement", and Kenneth Williams. Ian Messiter was chairman on one occasion in 1977, when Freud arrived late and Nicholas Parsons took his place on the panel. Parsons had appeared on every show, either as chairman or panelist, until Series 81 Episode 4 when he was absent for the first time in the show's 51 year history. That show, broadcast on BBC Radio 4 at 18:30hrs on the 4th June 2018, was hosted by Gyles Brandreth
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