Princess Celestia chooses Discord over Princess Twilight to help track down a villain.

The other princesses transfer all of their magical power to Twilight in hopes of saving Equestria.

Twilight Sparkle and friends tell a story about how Twilight had to make a difficult decision when Celestia and Luna retire and hand the throne to Twilight who must choose to either be the rightful ruler of Equestria or stay in Ponyville with her friends.

In this special 100th episode, Twilight Sparkle, Fluttershy, Applejack, Rainbow Dash, Pinkie Pie and Rarity battle a monster as the rest of Ponyville rushes to make it to a wedding on time.

When Pip Squeak decides to run for class president, the Cutie Mark Crusaders rally around their friend, but find themselves helping their long-time nemesis, Diamond Tiara, in an unexpected way.

After reminiscing about her Canterlot days, Twilight realizes that she left for Ponyville without really saying goodbye to her old friends, and tries to reconnect and re-open friendships lost.

Fluttershy and Applejack journey to the edge of Equestria on a Friendship Quest to help a group of creatures named Kirin who are so afraid of hurting each other's feelings, they've taken a vow of silence.

The peace of Equestria is threatened when Discord, a mischievous spirit of disharmony, escapes from his imprisonment in stone. Twilight and her friends must defeat him using the Elements of Harmony. If only they can find them!

Twilight's friends have been corrupted by Discord, and all of Equestria is about to fall into total chaos. Twilight remembers about the riddle of finding the stolen Elements of Harmony. However, even after obtaining them, can she and her friends defeat their most powerful foe yet with almost all hope lost?

It's Nightmare Night and the macabre celebrations are in full swing when Luna herself shows up in Ponyville, determined to change her frightening public image.

Sweetie Belle comes up with an idea to celebrate sisterly unity in an impromptu party with not much planning, and when Rarity decides not to be part of the celebration, Sweetie Belle becomes angry and disowns her as her sister.

The six friends are honored to put on Canterlot's most important play of the season, the Hearth's Warming Eve's holiday pageant, which illustrates how Unicorns, Pegasi and Earth Ponies put aside their differences and founded Equestria.

After mocking it as an 'egghead' pursuit, Rainbow Dash discovers the joys of reading while laid up in Ponyville Hospital. Can she finish her book before her friends discover her secret?

When Pinkie Pie meets Cranky Doodle Donkey, she becomes flummoxed about what to do when the donkey refuses her usual offer of lifelong friendship, so she must decide what to do next about the first creature ever to do such a thing.

When Twilight Sparkle receives a strange and vague warning about impending doom and disaster from her future self, she drives herself nearly mad in an attempt to stall a cataclysmic event, but her uncertainty makes finding answers difficult.

Twilight Sparkle is confused by her conflicting feelings when she finds out her brother, Shining Armor, is marrying Princess Celestia's niece, Cadance.

Shining Armor and Princess Cadance are set to be married, but Twilight Sparkle has just discovered a dark secret about the bride-to-be.

Northern Equestria's Crystal Empire has reappeared after being afflicted with a curse that made it vanish for 1,000 years. Princess Celestia asks Twilight Sparkle and her friends to protect the empire from disappearing again.

Over a campfire, Rainbow Dash decides to share some imaginative and spooky tales, causing Scootaloo to have frightening, vivid nightmares; Scootaloo wants to get rid of her nightmares but doesn't want the others to think she is spineless.

Now that she is a Princess, Twilight Sparkle has an important new role to play in the Summer Sun Celebration. But her plans are put on hold when Princess Luna and Princess Celestia go missing.

The Everfree Forest is threatening to take over all of Equestria. In order to stop it, Princess Twilight and her friends must bring their Elements to the Tree of Harmony.

Vampire Fruit Bats take over Sweet Apple Acres and Applejack and her friends' efforts to get rid of them take an unexpected and frightening turn.

Pinkie Pie finds her status as "super-duper party pony" in jeopardy when the mysterious Cheese Sandwich comes to town and offers to plan an epic birthday party for Rainbow Dash. Guest voiceover by Weird Al.

When a member of the singing group, the Ponytones, has to drop out of an important performance, Fluttershy takes drastic measures to ensure that the show goes on.

Sweetie Belle ruins a costume for one of Rarity's clients on purpose; Luna visits her in her dreams.