There's a movie out there called "Dolemite" that is just legendary for being really bad, so bad it's good. It was such a funny sort of film that more than 40 years later they made a film about the making of the film and Eddie Murphy starred in it. That film was really good as well but because it was good. There is also another legendary film that you are more likely to have hear of called "The Room." that film also ended up having a film made about it. All 4 of these films are worth checking out for different reasons.