Sonic The Hedgehog, Volume 5: Crisis City

Dr. Eggman has launched his most extreme plan yet and Sonic's already racing to catch up! As Eggman drowns entire cities in his Metal Virus, creating hoards of Zombotscivilians infected with the virus to become easily manipulated machinesSonic himself struggles to keep his infection in check! And when Sonic's friends start falling victim, it's clear no one is safe! Collects issues #1720 of the Sonic The Hedgehog series.