The Pippsqueaks, hoping to get away from their own problems at home, join the Mane 6 and Mystery Inc on a mission to save a historical summer camp, haunted by spooky stories of the past.
Among the trees just outside Bridlewood, Izzy uncovers... something. Her friends decide not to question her obsession with restoring it. They probably should.
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.
During the Summer Solstice Festival in Maretime Bay with the dragons attending, the Mane 6 reunite with Mystery Incorporated to solve the mystery of a ghostly dinosaur, called the Phantosaur, who is haunting the town of La Serena.
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...