Robert went to live with his maternal grandparents, and Mia went to live with her mother. As a child, Apatow lived mainly with his father, and visited his mother on weekends. Apatow's mother spent a summer working at a comedy club, which is where Judd was first exposed to live stand-up comedy. Stand-up, early film and television work[ edit ] Apatow began performing stand-up comedy at age seventeen, during his senior year of high school. After graduating from high school in , he moved to Los Angeles and enrolled in the screenwriting program at University of Southern California.