The Stallion Six universe version of "Cutie Mark Chronicles". Rumble and the CMC learn the stories behind the cutie marks of Shining Armor and his friends.
Based off of the episode "Eggheads" from Sonic Boom. Pinkie Pie discovers an ancient cook book, and accidentally whips up a batch of cupcakes that turns her friends evil. Now it's up to her to change them back.
Rarity realizes she never visited her coltfriend Soarin in the hospital, and she's feeling pretty bad about it. But Soarin certainly doesn't seem to mind. The question is, why doesn't he?