Ben 10 has the power to save the Earth from aliens

Ben Tennyson was an ordinary 10-year old kid who loved video games, biking, and goofing off. Then he found the Omnitrix and gained the incredible power to change into 10 different aliens with crazy powers! Now he's teaming up with his way-cool grandpa and worry-wart cousin, Gwen, to fight crime, have fun, and figure out how the Omnitrix works.