Use the powers of Four Arms, Heatblast, XLR8, Diamondhead, Upgrade, Overflow, Wildvine, Cannonbolt, Stinkfly, and Greymatter to save the day. In a crossover that aired on Cartoon Network Octotitled T.G.I.S., The Secret Saturdays come to Bellwood to investigate a rash of chupacabra attacks. But when he discovers the alien device known as the Omnitrix, he gets the ability to turn into ten different alien heroes. It's a whole new Omniverse!Ĭharacters Allies Main Characters Meanwhile, a mysterious hunter, known as Khyber, sets his sights on Ben! With all new alien heroes to choose from, the fun is just getting started. Together they explore a secret alien city, known as Undertown beneath the city of Bellwood. Ben was all set to be a solo hero with his new Omnitrix after Gwen and Kevin left for college, but Grandpa Max teamed him up with a rookie, by-the-book partner.
