John Cleese waiting to begin when Cleese's offer arrived. Palin agreed to work with Cleese and Chapman in the meantime, bringing with him Gilliam, Jones, and Idle. "Monty Python's Flying Circus" ran for four seasons from October 1969 to December 1974 on BBC Television, though Cleese quit the show after the third. Cleese's two primary characterisations were as a sophisticated and a stressed-out loony. He portrayed the former as a series of announcers, TV show hosts, and government officials (for example, "The Ministry of Silly Walks"). The latter is perhaps best represented in the "Cheese Shop" and by Cleese's Mr Praline character,
John Cleese the fourth season. Despite this, he remained friendly with the group, and all six began writing "Monty Python and the Holy Grail"; Cleese received a credit on three episodes of the fourth series which used material from these sessions, though he was officially unconnected with the fourth series. Cleese returned to the troupe to co-write and co-star in the Monty Python films "Monty Python and the Holy Grail", "Monty Python's Life of Brian" and "Monty Python's The Meaning of Life", and participated in various live performances over the years. From 1970 to 1973, Cleese served as rector of the University