While Spike has a night out with his siblings, Flurry Heart and her friends have a sleepover in the now-renovated Harmony Clubhouse tree, but their bickering welcomes in a very powerful ghost that seeks to turn them all against one another.

Nightwatch and Buttercream encounter a young eastern dragon named Lily, leading them on an adventure to the land of Ester Dracos. While Buttercream has some fun, Nightwatch does some important research with the help of Emperor Antirrhinum.

Not long after Thorax rebels and the changelings turn on Chrysalis, he must now confront several changelings that refuse to transform, including his brother Pharynx.

Pinkie Pie and Cheese Sandwich are preparing for their wedding, but not all is as it seems and Flurry Heart starts to wonder if there is another changeling invasion underway.

Rainbow Dash's son Storm Streak is mad that he cannot enjoy a ride at the Ponyville Fair due to his age, so he searches for a mysterious artifact that he believes can turn him into an adult.

The parents of young ponies across Equestria are mysteriously disappearing. A powerful being calling herself the “Sorceress” appears, claiming responsibility and must be stopped with the Elements of Harmony.

A familiar dragon arrives in Ponyville to give Spike some news that will change his life forever.

Flurry Heart and Pumpkin Cake get a chance to meet their favorite pop-singer, Night Shade, but they soon realize he’s not as good of a pony as they expected.

A young unicorn named Nightwatch and his little adoptive dragon sister Buttercream long to see Nightmare Moon defeated and Princess Luna return. They venture out to Everfree to witness this but run into some trouble along the way.

Tirek returns to his homeland, the Midnight Kingdom to get revenge on his brother King Scorpan. Meanwhile, Flurry Heart is called by the Cutie Map to deal with a friendship problem in the Midnight Kingdom.

While Flurry Heart and her friends are vacationing in Southern Equestria, they meet Somnambula who is studying clues leading to a mysterious temple where she finds an old friend.

After Twilight's coronation, she and her friends have chosen to document the highlights of their life since then.

Tirek, Cozy Glow, and Chrysalis awaken to find they have been released from stone and narrowly escape Twilight's guards. They quickly begin plotting revenge, but can they come to an agreement on what to do next?

Cozy Glow returns once again, aided by her parents and the Alicorn Amulet, to get revenge and Flurry Heart must find a way to stop her.

Flurry Heart is introduced to Applejack’s twins, Apple Chip and Annie Smith, but they are having a hard time coping with the loss of their late great-grandmother, Granny Smith.