This story is a sequel to Sonic The Hedgehog x My Little Pony: Make Your Mark - Season 4

When Opaline finds a fragment of the destroyed Paradox Prism, she gains the power to travel across the multiverse and cause chaos across all the realities. Now, the fate of the whole Multiverse, and the definitive battle between the light of the day and the darkness of the night relays on Sonic's hands and Sunny's hooves.

This story is a sequel to Sonic The Hedgehog x My Little Pony: Equestria Girls G5

While Sonic and company were fighting Dr. Eggman, the Blue Blur accidentally destroys a powerful artifact that transports him to another universe. Now, stranded in a new reality and with nothing but a strange energy in his body, Sonic will travel from world to world in an attempt to return home and stop the evil scientist before he can conquer the Multiverse. Thankfully, he'll count with help from himself... literally.

This story is a sequel to Sonic The Hedgehog x My Little Pony: Make Your Mark - Season 3

One apparently normal day, Dr Eggman tries to steal the Chaos Emeralds from the Crystal Brighthouse, but his attempt fails so badly that he ends up sending the Emeralds to the human world counterpart of Equestria. Now, Sonic sets himself on a mission: to find the Emeralds and bring them back to Equestria before they fall in the wrong hands. But as he travels on this new human world, he also ends up meeting some faces that look very familiar... but are pretty different at the same time.

This story is a sequel to Sonic Frontiers x My Little Pony

Six months after Sonic's adventure on the Starfall Islands, Dr. Eggman prepares his brand new weapon to take over Equestria, while Opaline remains silent in the shadows with no sign on being ready to make her next move. However, as Tails begins to search the two villains in order to test himself out, Sonic hallucinates with a figure he thought was defeated, yet has shown up more than he'll like them to.

This story is a sequel to Sonic The Hedgehog x My Little Pony: Make Your Mark - Season 2

After his last plan failed, Dr. Eggman discovers an ancient technology on the Starfall Islands and installs his AI program Sage to hack in and take over. But there is more to this technology than he realizes, and unintended consequences immediately come to bear. Meanwhile, Sonic finds himself all alone on one of said islands, after flying into a wormhole with Tails, Zipp and Sunny. Now, separated from his friends, he has nothing but an AI voice guiding him to collect the Chaos Emeralds, not knowing that darker forces are behind him and his powers.

This story is a sequel to Sonic The Hedgehog x My Little Pony: IDW Comics

Misty continues to work undercover as the Mane 5 and Team Sonic's newest friend, although her loyalties may start to shift as she begins to see the true friendship she could have with these ponies. However, as Opaline and Eggman's endgame draws nearer, the fate of Equestria, Mobius, and the battle between good and evil may rest on Misty's shoulders. In the middle of this, some secrets come to light, some romances fly in the air... and some visitors from Mobius arrive to take Team Sonic back home.

This story is a sequel to Sonic The Hedgehog x My Little Pony: Make Your Mark - Season 1

A new adventure begins here! Join Sunny, Izzy, Zipp, Pipp, Hitch, Sonic, Tails, Knuckles, and their trusty sidekick Cloudpuff as they explore a brand-new Equestria! With magic back on this magical land, the ponies are more united than ever—at least until one of the Unity Crystals is stolen! Can the Mane 5 and Team Sonic find the culprit before magic is gone for good? And in the mean time, can Team Sonic finally unfold the mystery behind the Chaos Emeralds failure? Can these three friends from another dimension find their way back home?

This story is a sequel to Sonic The Hedgehog x My Little Pony: Tell Your Tale

Magic has finally returned to Equestria thanks to Sunny Starscout and her new friends! The pegasi can fly and the unicorns can use levitation again… and the earth ponies have activated their own special magic for the very first time in history. It’s a whole new world! Which is exhilarating… but, well, also a little scary and strange. And now that Sunny is an Alicorn with powers, there’s a lot to figure out. In the middle of all of this, the past begins to haunt Sonic as he, Tails and Knuckles search for a way to return home, reactivate the Chaos Emeralds and find the ones they're missing, as well as stop Dr. Eggman's plans to take over the magical land of Equestria.

This story is a sequel to Sonic The Hedgehog x My Little Pony: A New Generation

Now that Sunny Starscout and her friends - Izzy Moonbow, Hitch Trailblazer, Zipp Storm, Pipp Petals and Sonic the Hedgehog - have restored the magic all across Equestria, they're all living together in Maretime Bay, having all kind of fun adventures. And with Team Sonic and Team Dark added to the mix, things can't be more funnier!

During an encounter with Dr. Eggman, Sonic activates a machine that wasn't ready yet, just as the evil scientist planned out. Endowed with the power of the Chaos Emeralds, which Sonic conveniently brought with him, the machine swallows the hedgehog and sends him into a new world, a world that has been divided for centuries and has lost all its magic. Now teaming up with a very optimistic unicorn named Izzy, Sonic will embark on a journey through the uncharted land of Equestria, to unite all the ponies, reclaim the magic, and hopefully find his way back home.