Discord attempts to fill in the forms to apply for his Equestrian citizenship papers

Twilight has discovered that there is a changeling among the Elements of Harmony. Celestia knew about it all along...

Twilight invites Discord to play a game of chess. Surprisingly, he accepts.

The Enterprise pays a visit to Equestria. Luna decides to go and see what this new thing in the night sky is.

Twilight learns about her new Earth Pony magic

Tirek has won; three alicorns lie in Tartarus, and the Element-bearers are tied to his throne. But some ponies still fight on...

A stranger from the distant future appears in Twilight's library

Applejack goes home for Christmas. (Includes Equestria Girls-based content)

Twilight asks some questions, and gets some answers

Trixie attempts to apply literary analysis to the world around her.

A Ferengi ship kidnaps Spike and the Cutie Mark Crusaders. They clearly don't know who they're dealing with.

The Banach-Tarski Theorem describes how to split a sphere and re-arrange the pieces to make two spheres of volume equal to the original sphere. Turns out it works on dragons, too.

Rainbow Dash tries to write a story. Discord decides to lend a helpful paw...

Erfworld is a world of strict rules, with sides governed - mostly - by the tribes of Man...

When a visitor from the future appears out of nowhere in Twilight's new castle, he triggers a series of events that sends Twilight back and forth through history...