It was 40 years ago today that the first episode of Monty Python’s Flying Circus appeared on the BBC. The show ran for four seasons, cranking out 45 episodes and unleashing their zany, crazy sense of humor on the world. The group's influence on comedy has been compared to The Beatles' influence on music.
Here's one of their most famous sketches: Ministry of Silly Walks
You can watch it, read it, learn it, perform it if you like. You can find the script of the sketch here.