On their second Unity Quest, the Mane 5 and Misty meet Mystery Incorporated for the first time and help them solve a caper on Moonscar Island going back over 200 years... all while Opaline lurks in the shadows with her own scheme in mind.
After a strange spell is cast by the Unity Crystals, the Mane 5 and Misty must help the Warner Siblings retrieve a magical wishing star from a greedy king and save the kingdom of Warnerstock from poverty.
Our intrepid crew of heroes braves the deepest ocean with SpongeBob SquarePants, his friends and some royal hippogriff sisters to stop Opaline's latest plot, which involves the kidnapping of Sparky and stealing his dragon fire.
Sunny, Misty, Hitch, Pipp, Zipp and Izzy reunite with Mystery Inc and some new friends to stop the evil Black Samurai, along with Paradise, from seizing control of the world and putting everything they love at risk.