Dr. Eggman's new capital city is expanding and only Sonic and his friends can stop it! On a recon mission with the new Diamond Cutters—Tangle, Whisper, and Lanolin—Sonic discovers that the Eggperial City is harnessing the resources around it to grow ever larger. The Diamond Cutters are still getting the hang of working together which leads to trouble when they get trapped. Alone against an army of badniks and a self-replicating city, Sonic calls for back-up and gets more than he bargained for: Tails, Amy, Blaze, and Silver all answer the call, but Shadow, Rouge, and Omega arrive for their own reasons too! While the Diamond Cutters have to have an emotional break-through to escape, Sonic and Tails coordinate a horde of heroes to try to bring the city down! Collects Sonic the Hedgehog issues #57–61.

Dr. Eggman's new capital city is expanding and only Sonic and his friends can stop it!

"On a recon mission with the new Diamond Cutters--Tangle, Whisper, and Lanolin--Sonic discovers that the Eggperial City is harnessing the resources around it to grow ever larger. The Diamond Cutters are still getting the hang of working together which leads to trouble when they get trapped. Alone against an army of badniks and a self-replicating city, Sonic calls for back-up and gets more than he bargained for: Tails, Amy, Blaze, and Silver all answer the call, but Shadow, Rouge, and Omega arrive for their own reasons too! While the Diamond Cutters have to have an emotional break-through to escape, Sonic and Tails coordinate a horde of heroes to try to bring the city down!"--Back cover.

Sonic battles his nemesis, Robotnik, as the villain traps him with plants, attacks him with a mechanical bomb-throwing monkey, and kidnaps Sally.

Dr. Eggman's new capital city is expanding and only Sonic and his friends can stop it! On a recon mission with the new Diamond Cutters--Tangle, Whisper, and Lanolin--Sonic discovers that the Eggperial City is harnessing the resources around it to grow ever larger. The Diamond Cutters are still getting the hang of working together which leads to trouble when they get trapped. Alone against an army of badniks and a self-replicating city, Sonic calls for back-up and gets more than he bargained for: Tails, Amy, Blaze, and Silver all answer the call, but Shadow, Rouge, and Omega arrive for their own reasons too! While the Diamond Cutters have to have an emotional break-through to escape, Sonic and Tails coordinate a horde of heroes to try to bring the city down! Collects Sonic the Hedgehog issues #57-61.

Fan-favorite artist Evan Stanley takes over as writer! A new storyline begins, perfect for new readers, as Sonic races to help a friend in need! Hold on to your chili dogs, Sonic fans! The Metal Virus is gone, but things aren't back to normal. Omega is damaged, and his allies turn to Sonic for help. The only way to rebuild him is to trade parts with a mysterious champion Chao racer, so it's off to the races for Cream, Cheese, Amy, and Rouge! They'll have to keep up their winning streak or surrender Cheese to Clutch's evil... clutches! Meanwhile, Sonic and Tails are being watched by a mysterious figure in Dr. Eggman's seemingly abandoned base, but when Rouge's team calls for help, will this shadowy character prove friend or foe? Please keep your arms and legs inside the ride at all times, folks, this is going to be a bumpy one! Collects IDW's Sonic the Hedgehog issues #33–36.

After all the excitement of his recent adventures, Sonic's ready for a break--NOT! The thuggish twosome, Rough and Tumble, are back and they're looking for vengeance against Sonic and his friends. And they're not the only ones... some of Sonic's greatest foes have returned and, with the help of some new evil allies, have created a threat that's guaranteed to take over the world. Even Sonic can't outrun a Virus for too long. Collects issues #13-16.