Four Lions
Directed by Chris Morris
Screenplay by Chris Morris, Jesse Armstrong, Sam Bain
Starring Riz Ahmed, Arsher Ali, Nigel Lindsay, Kayvan Novak, Adeel Akhtar

Now this is what I call a challenging comedy.  For his feature film debut, British comedian Chris Morris (who has had an extensive career writing and performing for television and the radio) tackles the subject of Islamic extremism, following a cell of aspiring suicide bombers with plans to stage a deadly attack during the London Marathon.