When Pinkie falls ill, Rarity takes her place as a foalsitter for The Cake Twins, and they take a real shine her to. This makes Pinkie feel like she's been replaced, and it's up Mr. and Mrs. Cake to show her that's not true.
The third installment of a What If series, that involves the rewriting of episodes. This collection contains episodes from Seasons 1-5 (Warning!: Episodes rewritten based on personal opinion, please respect it)