Mr. Saturday Knight is episode 09 of family guy season 03. It was originally aired on September 5, 2001.

When Peter’s boss dies, the Happy-Go-Lucky Toy Factory is destroyed in order to make way for the Happy-Go-Lucky Terminal Disease Institute. Out of a job, Peter decides to follow his lifelong dream of becoming a knight with the traveling Renaissance Fair, but when he is caught in a compromising position with the infamous Black Knight’s wench, Maid Madeline, he must defend his family’s reputation in an old-fashioned duel.