The cult classic comedy "Monty Python and the Holy Grail" has turned 50 years old. NPR looks at the film's enduring legacy and cultural influence.

KAITY KLINE, BYLINE: "Monty Python And The Holy Grail" followed up on the troupe's absurd TV sketch show "Monty ... And every time they finished a line of the Pie Jesu, they smacked themselves ...