Monkey Business (Volume 4) (Al's World)

Al and Keith are always monkeying around but the one thing they really dont need is an actual chimp! Thats exactly what they find one day while hanging in the park. Where did it come from? What should they do with it? And why does it keep kissing Keith? Al decides they cant leave the poor animal so they take it to Als room and the zoo and the movies. When they get tipped off that an animal testing lab is missing one of its chimps Al and Keith find themselves on an animal rights crusade thats about to get wild!