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 often involved authority figures, some of whom were performed by Cleese, while Jones and Palin were both infatuated with filmed scenes that opened with idyllic countryside panoramas. Idle was one of those charged with writing David Frost's monologue. During this period Cleese met and befriended influential British comedian Peter Cook. It was as a performer on "The Frost Report" that Cleese achieved his breakthrough on British television as a comedy actor, appearing as the tall, patrician figure in the classic "class sketch", contrasting comically in a line-up with the shorter, "middle class" Ronnie Barker and the even shorter, "working class"