When Ben gets the power to turn into aliens, he finds superheroing is trickier than he thought. Yet no matter what bizarre form Ben takes, he's still the same good-hearted yet mischievous 10-year-old.
Whenever Ben is ready to dive headfirst into trouble, his 10-year-old cousin Gwen is the voice of reason, always trying to think ahead, plan and calculate the consequences.
Grandpa Max was in the galactic defense force the Plumbers and has been through his share of scrapes, so he takes it all in stride when Ben gains superpowers, and he supports Ben any way he can.
Cannonbolt can curl up within the thick armor on his back and become an unstoppable wrecking ball, launching himself at high speeds and ricocheting off solid objects to cause massive damage.
It's hero time! Learn about Ben's Omnitrix full of alien heroes, play online games and watch full episodes and free videos from Ben 10 on Cartoon Network (Canada).