RiffTrax are hilarious commentaries that you play along with a DVD, or are merged with movies and classic shorts that you can watch on-demand. Written and performed by the stars of Mystery Science Theater 3000, RiffTrax features the unique humor of Michael J. Nelson, Kevin Murphy (Tom Servo) and Bill Corbett (Crow T. Robot)! We riff on Blockbuster Movies, Educational Short Films, and feature-length Cheesy B-Movies that you can watch instantly. It's like watching movies with your funniest friends!