Prepon co-starred in the college comedy "Slackers" (2002), about three best friends who are blackmailed for cheating their way through college. She was nominated for a Teen Choice Award in 2002 for her role in "That '70s Show". In 2001, she made her film debut in Steve Hanft's musical comedy-drama "Southlander" with Beck, Beth Orton and Hank Williams III, where she played Seven=Five, a young TV telepathic. In 2004, Prepon worked on the independent drama film "The Pornographer: A Love Story". The film tells the story of an obsessive relationship between a director and an actress.