The following is a list of RiffTrax, downloadable audio commentaries featuring comedian Michael J. Nelson and others ridiculing (or riffing on) films in the style of Mystery Science Theater 3000, a TV show of which Nelson was the head writer and later the host. The RiffTrax are sold online as downloadable audio commentaries and pre-synchronized videos.
The site was launched by Nelson and Legend Films in 2006 and is based in San Diego.
Official RiffTrax Just the Jokes The following is a list of films for which Michael J. Nelson and guest riffers have provided an audio commentary only, with no VOD available. They are presented in order of the release date. Titles in bold are no longer available.