Chapter 1

Spoilers for Sonic Movie 1 & 2 by the way

Taking place a few months after Sonic The Hedgehog 2 Sonic, Tails, Knuckles, Tom & Maddie find them selves on a new planet that have creatures that look Sonic, Tails and Knuckles but they have to team up with this planet's heroes Lilac, Carol and Milla in order to stop Lord Brevon from enslaving the whole universe.