Monty Python’s Flying Circus, the creators of Spamalot, have often acknowledged their creative debt to the 1960s satirical revue Beyond the Fringe. The timelessness of Fringe’s humour is revealed in this selection of sketches, encompassing dystopian fanatics, woolgathering clerics and misanthropic miners – to say nothing of the Shakespeare spoof “So That’s the Way You Like It.”