How many movies have Adam Savage and Bill Corbett collaborated on?

They have worked on 2 movies together! Their first movie together was RiffTrax Live: Night of the Shorts - SF Sketchfest 2013 (2013) while their highest rated movie together was Rifftrax Live: Night of the Shorts - SF Sketchfest 2016 (2016). They have not worked together since Rifftrax Live: Night of the Shorts - SF Sketchfest 2016 (2016).