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Ben 10 - Season 4 Episode 14
Team Tennyson enjoys the biggest convention in town, but when a gawky costume store employee finds a familiar-looking helmet in the back of the store and tries it on, Ben is faced with the return of an old foe in a new form: Forever Knight.
- Xyoo: 2020
- Ncig Teb Chaws: United States of America, Singapore, United Kingdom
- Genre: Kids, Animation, Comedy, Action & Adventure, Sci-Fi & Fantasy
- Studio: Cartoon Network
- Cov ntsiab lus: extraterrestrial technology, transformation, superhero, alien, based on cartoon, reboot, ben 10
- Tus Thawj Coj: Duncan Rouleau
- Pov Pob Tseg: Tara Strong, Montse Hernandez, David Kaye, Roger Craig Smith, Josh Keaton, John DiMaggio