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Watch Ben 10: Destroy All Aliens (2012) online for free on 123Movies. The end of summer break and the start of the school year finds 10-year-old superhero Ben Tennyson (Tara Strong) at odds with his teacher, grounded by his parents, and itching for some major alien-hunting action. So when his old friend Tetrax (David Fennoy) shows up and invites him along on an intensive training program somewhere far, far away, Ben barely hesitates before jumping at the chance. Unfortunately, the excursion is complicated by his malfunctioning Omnitrix, which sends Ben back to Earth stuck in variations of his alien forms. Even worse, his arrival coincides with that of an unidentified Mechamorph who’s got one goal: Destroy all aliens. A battle ensues, and alien-form Ben and the Mechamorph are transported to another universe that exists within the Omnitrix itself. It will take all of his wits, plus the help of his Grandpa Max (Paul Eiding) and cousin Gwen (Meagan Smith), for Ben to get back home safely.
Original title Ben 10: Alien Dimensions
IMDb Rating 6.1 700 votes
TMDb Rating 5.5 14 votes