Lorcan, Max and Dawn Darcy, along with Jake, Kyle, Anya, and Lorcan and Jake's daughter Ellie, have been transported to Equestria, where they reunite with Sonic the Hedgehog. The Mane 6, CMC, Spike, Shining Armor and Princess Cadence discovers that Everypony in Equestria have gone missing.

Now the Rebels team up with them to find a clue in Manehatten's new Super Mall in order find out about their friends' disappearance.

• *This story is inspired by Kingdom Hearts III Chapter, Toy Box.