After being severally beaten at the hands of Dr. Robotnik, AKA Eggman, Sonic and his remaining Freedom Fighters undertake a daring rescue mission to save the citizens of Knothole. But just when things seem to clear up, Sonic's Freedom Fighters, Knuckles Chaotix, and several airships from the Egg Fleet are thrown into a peaceful world that had sealed itself away from the rest of the multiverse. With new rules to play by, new allies on each side, and no visible way of getting home, how will the Hero's of Mobius and there new friends fare against the Eggman Empire.

Sonic, with the power of the Chaos Emeralds, is accidentally sent to Equestria. Now he has to try and find a way back before anything happens to his home or his friends.

After the Phantom Ruby had been destroyed, Sonic the Hedgehog had expected to land back into his own world and finally find some time to relax. Instead, the blue blur managed to ended up into the magical world of Equestria during the middle of the first ever Festival of Friendship.

However, things quickly take a turn for the worse as the fearsome Storm Army attacks, enslaving everyone in the city and turning three of the four princesses to stone.

Now tasked with collecting the Chaos Emeralds, protecting Equestria, and finding a way back home once more, Sonic will set out on brand new adventures from a grand world expedition beyond Equestria to teaching at the first School of Friendship, but not without the help of some new friends along the way.

Sonic The Hedgehog is owned by SEGA
My Little Pony: Friendship is Magic is owned by Hasbro