Guests include Caroline Lucas, the leader of The Green Party; and Dr Lucie Green, a Solar Astronomer. Also, David Mitchell asks a panel of guests whether the government should be selling everything off for a few quick quid.

David Mitchell, Jimmy Carr, Charlie Brooker and Lauren Laverne broadcast live again. Guests include 'Freakonomics' co-author Stephen J Dubner, and David Mitchell chairs a panel debating whether protests work.