Sonic X #21
an issue of Sonic X by Archie Comics
Issue description
Writer:
Mike Bullock
“Sub-Sonic”: After being trapped on Earth all this time Sonic, Tails, Amy and the others
may have finally stumbled upon a way to get back to their home world. Will the daring
plan pay off or just put Sonic and friends in a mind-bending dilemma of universe-al
proportions?