After the battle with Robotnik and all his minions, Sonic can’t catch a break, because his arch nemesis has broken out of jail, and is looking for revenge on Sonic, tails, and the rest of their friends. When entering his fortress, Dr robotnik notices Mephiles the dark, sleet, dingo, the bounty hunters from aosth the 1st episode, and his 3 robots from Sonic x has returned. He asks the bounty hunters(that appeared in the first episode of adventures of sonic). And the rest of their friends badniks to work with Mephiles to take down sonic after all his plans have failed every time he tries to take over Mobius.
