How many movies have Michael J. Nelson and Trace Beaulieu collaborated on?

They have worked on 8 movies together! Their first movie together was Mystery Science Theater 3000: Santa Claus Conquers the Martians (1991) while their highest rated movie together was Mystery Science Theater 3000: Shorts, Volume 3 (2000). They have not worked together since RiffTrax Live: Summer Shorts Beach Party (2017). They are most known for their comedy films together.