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.
Genres: Action & Adventure , Animation , Comedy , Kids , Sci-Fi & Fantasy
Keywords: alien , based-on-cartoon , extraterrestrial-technology , reboot , superhero , transformation