When Celestia and Luna decide to retire and hand off the ruling of Equestria to Twilight and her friends, it sends Twilight into a tailspin of self-doubt.

Twilight is preparing to become the new ruler of Equestria before Princess Celestia and Princess Luna's retirement. At the same time, an evil ram named Grogar recruits Twilight and her friends' worst enemies in a plot to take over the kingdom.

The Young Six respond to a magical summons from the Tree of Harmony, only to learn it has been destroyed, and it is up to them to figure out how best to memorialize it.

Twilight and Shining Armor pit their wits against each other to settle a long-standing sibling rivalry score - but they soon discover they’re not the only competitors.

Twilight realizes she never returned a book to the Canterlot Library, and besides incurring the disgrace of a super-overdue book and huge fees, she may have caused her favorite librarian to lose her job.

Rainbow Dash's old pal Quibble Pants needs his friend's help to bond with the daughter of his new special somepony because, like Dash, she's a real sports pony. Unfortunately Quibble... isn't.

When Sandbar asks Yona to a "pony dance," Yona becomes convinced she must ponify herself to be a good friend, so she goes to Rarity and her friends for a makeover in appearance and personality.

Grogar sends his legion of doom on a mission to become allies. Unfortunately his plan works too well and they almost become friends.

molder returns to the Dragonlands with Spike and Fluttershy to help cheer up her sensitive brother, but when they arrive, they are surprised to discover another problem - the dragon eggs aren't hatching.

Applejack's plans for an orderly harvest go away when Apple Bloom becomes obsessed with catching a magical creature she thinks can help them.

Starlight Glimmer relishes her role as school counselor and encourages the students to come to her anytime about anything, but when always being available becomes too much, she learns it doesn’t have to be all or nothing.

Unexpected visitors to Ponyville threaten to break up the Cutie Mark Crusaders forever.

Luna and Celestia take a bucket-list sister vacation while Twilight and her friends struggle to cover the princesses' many royal duties alone.

When Pinkie Pie seeks help from her old friend, the super-silly Cheese Sandwich in finding her life’s purpose, she discovers the unimaginable has happened – somehow Cheese Sandwich has lost his laugh!

The School of Friendship is starting a buckball team and Rainbow Dash has to come to terms with the fact that she won’t be coaching the team—she’ll be coaching the cheer squad.

Twilight's hopes of keeping her Trivia Trot winning streak alive are waylaid when she’s unexpectedly paired up with Pinkie Pie who has never been to a trivia night before!

Twilight is determined to make Celestia and Luna’s last Summer Sun Celebration memorable. But when things start going horribly wrong, Twilight’s friends try everything they can think of to keep the news from Twilight so she doesn’t totally freak out.

When Fluttershy's and Angel Bunny's relationship hits the skids, Zecora gives them a potion to help them understand each other--by switching bodies!

When Spike stops making time for Rarity whenever she asks, she worries she’s done something to upset him. But the truth looks even worse when it seems like she’s been replaced by a new friend!

Starlight decides to hire a Vice Headmare in preparation to take over the School of Friendship from Twilight. But when Trixie assumes the position is hers, Starlight realizes that hiring the right pony for the job is going to be a lot harder than she thought.

When another author releases his own version of the events in AK Yearling’s Daring Do books, Rainbow Dash is furious, while Fluttershy is curious to know the truth.

When the Cutie Mark Crusaders are magically transformed into grown-ups they discover that growing up the right way means gaining experience and wisdom that simply can’t be rushed.

When Big Mac and Sugar Belle decide to propose to each other, everything their friends do to help ends up making a mess of the whole thing.

A villainous alliance unleashes their unified might on Equestria.