Watch Ben 10 Season 3 Episode 1 Online with Multi Subtitles - OnionPlay

Watch Watch Ben 10 Season 3 Episode 1 Online with Multi Subtitles - OnionPlay on OnionPlay - When Max's engineer friend, Phil Billings, offers the Tennyson team the Omni-Copter, a state-of-the-art flying vehicle that can transport Rustbucket for adventures across the seas, Steam Smythe rises into the skies to stop the first test flight of Ben and his crew; but, unbeknownst to our heroes, Smythe has been sent to battle Ben's latest extraterrestrial forms by a mysterious and powerful enemy: the Eternal Knight.