The BET
Mike: "Paul Thomas Anderson, Director of Boogie nights acted and directed in actual porno movies"
Dave: "No he didn't!"
For: A refrigerated soft drink of the winner's choice.
Result: "No he didn't, but there's a misconception that he did"
Paul Thomas Anderson directed Boogie Nights and is a porn aficionado but it is Paul Thomas (no relation) who is the porn actor/director.