Alan Yentob talks to comedians in Britain and America, exploring their backgrounds and influences and their passion for making people laugh. This insightful look at the art of stand-up features contributions from some of our most popular comedians, such as Billy Connolly, Eddie Izzard, Jack Dee, Omid Djalili, Frank Skinner, David Baddiel, Shappi Khorsandi, Simon Amstell, Dara O Briain, Chris Addison, Jack Whitehall, Ed Byrne and Jim Davidsoncumentary from BBC One, 2011.