How many movies have Derek Iversen and Paul Tibbitt collaborated on?

They have worked on 2 movies together! Their first movie together was SpongeBob vs. the Big One (2009) while their highest rated movie together was SpongeBob SquarePants: Spongebob's Last Stand (2010). They have not worked together since SpongeBob SquarePants: Spongebob's Last Stand (2010).