Upon returning to Equestria with their new dragon allies and warning the ponies of Equestria about Allura potentially invading, the Mane 6 are reunited with Mystery Inc to solve a mystery with Krypto the Super-Dog in Metropolis.
Among the trees just outside Bridlewood, Izzy uncovers... something. Her friends decide not to question her obsession with restoring it. They probably should.
The Mane 6 journey to Cartoon World to help their new friends Garfield and Odie, along with their own pony pals, find a magic pond capable of giving Garfield the humor he needs for the annual Fun Fest talent show.
Earth Ponies are mysteriously vanishing, and Sunny has the bright idea of playing bait. However, this backfires and she finds herself in over her head. Will her friends be able to rescue her and the other creatures trapped in the Arora Ridge Quarry?
The Mane 6 and Violette Rainbow travel to Fernfield, Washington to help five golden retriever puppies, known as the Buddies, save their parents, Buddy and Molly, from greedy dog-nappers... all while on Violette's first Unity Quest mission.
After Misty flees the sleepover, Zipp notices she's still in the garden outside the Crystal Brighthouse. Zipp ends up learning something unexpected about the strange newcomer -- and how she can help.
On a quest to unravel an ancient mystery, one which ties all ponies of Equestria together, Sunny Starscout and her friends make an awe-inspiring discovery...