Decaffeination is the removal of caffeine from coffee beans, cocoa, tea leaves, and other caffeine-containing materials.
Judd Apatow is best known as the producer of films like Knocked Up and This is 40. But he has been a self-described obsessive comedy nerd since his teens, when he first began interviewing stand-up comics for his high-school radio station in effort to learn as much as possible about the form.
And famed comedy director Judd Apatow and actress Leslie Mann made the This Is 40 premiere on Wednesday night a family affair. The couple, who have been married for 15 years, stepped on the red-carpet with their two daughters Maude and Iris, who also star in the film, at the Grauman's Chinese Theatre in Hollywood. Scroll down for video