Sonic was enjoying himself on one of his runs, but that was quickly interupted when Discord shows himself and uses his chaos magic on Sonic's surroundings. After hearing Discord's plan to steal and use the Chaos Emeralds, Sonic must get to them before Discord. More surprises shows itself once Time Eater is revealed trying to steal the emeralds as well. After a failed attempt, the emeralds scatter into 5 different directions. New friendships will be made, love will also blossom between two of the characters, a lot of action and humor joins this crew on their journey for the Chaos Emeralds. Sonic and the group must team up to stop Discord and Time Eater once and for all.

Crossover involves:

Sonic the Hedgehog; My Little Pony: Friendship is Magic; Regular Show; Adventure Time with Finn and Jake; Ed, Edd 'n' Eddy and Danny Phantom.