Ben 10 Season 1 Episode 9 Last Laugh Episode Title:Last Laugh.Episode Description:While visiting a travelling circus, Ben fights an evil clown named Zombozo, who drains the souls of everyone watching through their laughter, all the while inhibited by a fear of clowns. Conquering his own fear, Ben defeats Zombozo by terrifying him as Ghostfreak and saves his family from the evil clown's soul draining machine. During this fight, Ben first notes that he scared himself while fighting as Ghostfreak.