How many movies have Derek Sherinian and Mike Portnoy acted in together?

They have worked on 3 movies together! Their first movie together was PSMS Portnoy, Sheehan, MacAlpine & Sherinian: InstruMENTAL Inspirations (2012) while their highest rated movie together was Sons Of Apollo: Live With The Plovdiv Psychotic Symphony (2019). They have not worked together since Sons Of Apollo: Live With The Plovdiv Psychotic Symphony (2019). They are most known for their music films together.