Crossovers. 1: Godzilla. 2: Sonic the Hedgehog. 3: Teenage Mutant Ninja Turtles. 1: Godzilla vs. Ben 10. Plot: When Vilgax uses an artifact to travel to another universe, Ben is in hot pursuit of the alien warlord. Little do they know, they ended up in a world full of aliens, monsters... and Godzilla! The King of the Monsters and the Wearer of the Omnitrix go toe-to-toe in a titanic battle for the ages. However, when Vilgax and the Xillens plan to wipe both of them out, they must join forces to take on a common enemy. 2: Ben 10/Sonic the Hedgehog. Plot: Eggman travels to another universe, where he meets and joins forces with Vilgax to rule over both worlds. It'll take the combined power of the Ben and Sonic to combat this threat. 3: Ben 10/Teenage Mutant Ninja Turtles. Plot: Ben and the Turtles join forces when Vilgax and the Shredder plan to rule both their worlds. Combined version. Godzilla/Ben 10/Sonic the Hedgehog/Teenage Mutant Ninja Turtles. Plot: When the Xillens, Vilgax, Eggman, and the Shredder intend to rule the Multiverse, Godzilla, Ben, Sonic, and the Turtles join forces to stop them
