This Is 40 is a 2012 American comedy-drama film written, co-produced and directed by Judd Apatow. It is a spin off/sequel to the 2007 film Knocked Up and stars Paul Rudd and Leslie Mann. Filming was conducted in mid-2011, and the film was released in North America on December 21, 2012. The film follows the lives of middle-aged married couple Pete and Debbie as they each turn 40, with their jobs and daughters adding stress to their relationship.