It’s just about impossible to discuss sketch comedy without bringing in Monty Python. Everyone from The Simpsons’ Matt Groening to Tina Fey to Jim Carrey has cited the comedy troupe as an influence.

Having issued all 45 episodes on a 16-disc mega set already, alongside myriad collections of live shows and special editions of all of their films, albums and books, Monty Python would appear to have ...