Chris has made it to Sonic’s world, but the strange time lapse has turned him into a kid again. As Sonic recovers from his battle, Cosmo reveals the mission of the Metarex: to steal every world's Planet Egg, the heart of each planet that sustains life.  Using Tail's Blue Typhoon Ship, powered by the Master Emerald, Sonic and friends prepare to foil this evil plan. But when a new Metarex comes to interfere with their goal, it's up to Sonic and Knuckles to keep it at bay. As the Blue Typhoon launches into space, Sonic destroys the Metarex in a giant blast! Sonic and his friends are on their way, but the quest to save the Universe has only just begun.