The BBC's Alan Yentob interviews Mel Brooks at the Geffen Playhouse in Westwood, Cal., where he discusses his Brooklyn childhood and career as a writer, producer, director, actor, composer and comedian. Also featured are clips of classic performances from "Your Show of Shows"; Brooks' "2000 Year Old Man" skit with Carl Reiner; and movies, including "The Producers," "Blazing Saddles" and "High Anxiety."