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Watch Ben 10 Season 4 Episode 14 Online

  • 5.956/10
  • COUNTRIES: United States of America,Singapore,United Kingdom
  • Subtitles: English

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.