How many movies have Frank Conniff and Trace Beaulieu acted in together?

They have worked on 17 movies together! Their first movie together was Mystery Science Theater 3000: Santa Claus Conquers the Martians (1991) while their highest rated movie together was RiffTrax Live: MST3K Reunion (2016). They have not worked together since RiffTrax Live: Day of the Shorts: SF Sketchfest 2019 (2019). They are most known for their comedy films together.