How many movies have Paul Rudd and Seth Rogen acted in together?

They have worked on 8 movies together! Their first movie together was Anchorman: The Legend of Ron Burgundy (2004) while their highest rated movie together was Teenage Mutant Ninja Turtles: Mutant Mayhem (2023). They have not worked together since Teenage Mutant Ninja Turtles: Mutant Mayhem (2023). They are most known for their comedy films together.