The world’s favorite blue hedgehog is back for a next-level adventure in SONIC THE HEDGEHOG 2! Don't miss his new adventures against Doctor Eggman in this new trailerbr br After settling in Green Hills, Sonic is eager to prove he has what it takes to be a true hero. His test comes when Dr. Robotnik returns, this time with a new partner, Knuckles, in search for an emerald that has the power to destroy civilizations.