Half of the masters of gross-out comedy, the Farrelly brothers, Peter Farrelly (Dumb and Dumber, There's Something About Mary) discusses his career in writing, producing, and directing these memorable comedies. Farrelly chats about casting Jim Carrey prior to the year that luanched his stardom, how to get the texture of fake semen just right, and Bill Murray not taking any grief from a nine-year-old girl.