he's sleeping. The next morning, a giant object crashes into the mountains and Ben finds out he can't transform into any of his aliens except Four Arms and Heatblast. After fighting through multiple drones, he defeats a Giant Mech Drone and finds an Omnitrix Crystal which gives him access to XLR8. Later, the Tennysons go to Mesa Verde and find Vilgax's drones and the Forever Knights fighting. After defeating the knights and drones, a Forever Knight tells them that Enoch has used Area 51's technology to make a battle robot to fight Ben. They go to Area 51 in Nevada and fight Enoch, but he recovers and flees inside his robot. After defeating Enoch's battle robot at the Hoover Dam, Ben finds another Omnitrix Crystal which regains access to Cannonbolt. When the Tennysons head to San Francisco, California for a vacation, they find out that Kevin 11 and some plant creatures have escaped from the Null Void. He kidnaps Grandpa Max, but later gets sucked to the Null Void again by Ben at a lumber mill in Oregon. After fighting through Crater Lake, they head to the Space Needle in Seattle where the mother plant has made its home and infecting the city. After defeating it, Ben finds an Omnitrix Crystal which gives him access to Wildvine. In outer space, Vilgax and Ghostfreak work together to recover the Omnitrix. Ben, Gwen, and Grandpa Max head to Effigy Mounds for camping, and find some of Ghostfreak's troops hunting. After defeating Hex, they discover that Ghostfreak had plundered the Plumber Base in Mt. Rushmore. Ben chases him through Chicago and then defeats him in the Gold Coast Theater, and Grandpa Max sucks him into the Null Void. After defeating Ghostfreak, they go to the Historic Battlefield, where Dr. Animo kidnaps Gwen. They go to the Bayou and discover Clancy in an abandoned mansion. After Ben defeats Clancy, he tells him that Dr. Animo's planning to turn Gwen into a mutant. Ben and grandpa travel to New Orleans and take a boat to Animo's oil refinery. After defeating Dr. Animo, Gwen tells them that Dr. Animo and Vilgax have planned to suck Earth into the Null Void. Ben then unlocks Master Control in the Omnitrix. After going to a Null Void portal-filled Washington DC, Ben defeats SixSix and his Detrovite troops in Cape Canaveral. Grandpa Max uses rockets found there to make the