4 Season
52 Episode
Ben 10 - Season 1 Episode 9 Last Laugh
An alter ego for every occasion.
Ben discovers an evil circus that's headed by a psychic vampire clown named Zombozo.
- Year: 2008
- Country: United States of America, Singapore
- Genre: Animation, Sci-Fi & Fantasy, Action & Adventure, Comedy, Kids
- Studio: Cartoon Network
- Keyword: extraterrestrial technology, villain, transformation, time travel, superhero, alien, alien race, ben 10
- Director: Joe Kelly, Duncan Rouleau, Steven T. Seagle, Joe Casey
- Cast: Tara Strong, Meagan Moore, Paul Eiding