RiffTrax are comedic MP3 tracks that you play in-sync with your favorite movies. Written and performed by the stars of the award-winning TV series Mystery Science Theater 3000, RiffTrax brings the unique humor of "Satellite of Love" partners Michael J. Nelson, Kevin Murphy and Bill Corbett to Hollywood's hit movies. Season 1: Official Rifftrax Season 2: Rifftrax Presents Season 3: Shorts Season 4: iRiffs