After the Tantabus, Luna is met by Discord in her dreams. Who, for some reason, is a batpony. Upon confronting him, she learns that it really was him, but in the oddest way possible, and that there is much more to Discord than the one they know.
About a month before the Season 4 finale, Applejack challenges Discord to a day of doing physical work around the farm. It goes about as well as you'd expect.
A slightly different start to Discord's reformation with a more cautious Celestia, a reluctant yet curious mane six, and a willing-and-wanting-to-try Discord that has promised to leave Equestria if he cannot get along with ponykind to a degree.
Everypony thinks that Queen Chrysalis escaped capture, but Discord's captured her and holds her prisoner in his home dimension. She's going to get reformed by the Master of Mayhem. Eventually. Maybe. Theoretically.
Discord, the Lord of Chaos and final key-giver, gets a visit from a shadow that claims to be Tirek and threatens to destroy the mane six out of revenge.
Following the events of a simple test from the bureaucracy of Equestria, Luna has decided to take this chance to learn what she has missed during her thousand years absence. Will she pass this time around? Will she be fail kindergarten?
It's been a good three months since Screwball moved in with Fluttershy. The yellow pegasus starts becoming the chaotic filly's mother, until Celestia comes by and wants Fluttershy to reform Discord.
Discord meets a young woman and and old child in a desert with a tree made of lights. Whatever he does, he can't possibly make this world any worse off.
Former "Price is Right," host Bob Barker goes to Equestria to retrieve his microphone after Discord steals it, resulting in the two of them to get into a fight at the Grand Galloping Gala.