The adventure begins as Sonic races to protect the world from bad guys old and new! In the aftermath of his latest battle with Dr. Eggman, rogue robots are on the loose and new foes are on the rise. But where is the evil doctor and what secrets will Sonic discover during his search? One thing’s for sure: he'll need plenty of help from Tails, Knuckles, Amy, and new allies Tangle the Lemur and Whisper the Wolf.
It's all come down to this, but will Sonic be able to overcome the odds and emerge victorious? The world has completely fallen to the Metal Virus. Sonic the Hedgehog and his friends find themselves on Angel Island, the last safe place, launching a desperate plan with their old foe, Dr. Eggman, to defeat the Deadly Six and reclaim the Chaos Emeralds in a last-ditch effort to save the world. Collects Sonic the Hedgehog issues #25–29.