Sonic the Hedgehog #227
'Genesis' Part Two: Sonic's 20th Anniversary Celebration kicks into high gear as the most talked about Sonic story EVER continues! Sonic joins his new friends Sally, Boomer and Antoine as they brave the treacherous Labyrinth Zone! What perils await them in these dark waters? Even if they do track down this 'Dr. Robotnik,' are they up to the challenge of defeating him?!