Nightmare Amy interups Sonic, Rainbow Dash, Shadow and Sunset's wedding and takes the main six away and transports them to diffrent locations in Equestria.
Twilight’s friends on both sides of the portal mirror like to sing. So Twilight and Sunset Shimmer set up the first interdimensional concert and sing-a-long. What hidden truths will be revealed when everyone starts to sing?
It's been two years since Sonic and Shadow have been to Equestria and now they are on their way back to see their new friends but an old enamy awaits their return
Discord escapes from his stone prision and stells a gem called the gem of power. Because of this princess Celestia and her sister princess Luna have to summen help from another dimension. So they find Sonic and Shadow and bring them to thier world