The Hooffields and McColts

The Hooffields and the McColts is an upcoming episode of My Little Pony Friendship is Magic. It is the twenty-second episode of the fifth season. The title is a parody of the real-life feud between the Hatfield family and the McCoy family.

From Netflix
"Princess Twilight and Fluttershy are called by the map to settle a dispute between two feuding families who can’t even remember why they are fighting."