My Little Pony: Friendship Is Magic

Season 2, Episode 18

Episode Title: A Friend in Deed

Air Date: 2012-02-18

Overview:

When Pinkie Pie meets Cranky Doodle Donkey, she becomes flummoxed about what to do when the donkey refuses her usual offer of lifelong friendship, so she must decide what to do next about the first creature ever to do such a thing.