When Derpy and Crafty Crate deliver a package to a parallel dimension of sweet and innocent ponies, things go awry, and Ocean Mist, protégé of Kimono, learns a lesson as she overcomes her limitations to help them out
The Mane 6 reunite with their North Pole and Auroricorn pals, along with some new friends, in order to defeat an evil king named Winterbolt, who has teamed up with Allura and Twitch to stop the glow of Rudolph's nose and defeat the Mane 6 forever.
Sunny wants to get to know Spike better after their battle with Opaline, so she takes a trip to the Isle of Scaley for a simple conversation between friends. Unfortunately, Spike seems incapable of grasping this one simple fact about her….
"When a person has social anxiety, they may struggle to form connections. Bear in mind, they only struggle to form connections. That doesn't mean they don't want to."
In Canterlot City, Twilight and her friends work in a retirement home for musicians. And over time, they discover what the true meaning of music is about.
The Cutie Mark Crusaders get an important talk from Princess Celestia after the Gabby Gums incident. Nothing whatsoever goes wrong in the process and zero extra-credit assignments are given.