The Pinkie Pie who is reunited with her friends at the end of the episode is NOT the Pinkie Pie we were following in the beginning. This is an analysis of the episode, including a close look at who…
My theory about Pinkie Pie's logic - MLP:FiM Canon Discussion
Pinkie explains the 4th by tamalesyatole.deviantart.com
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Too Many Pinkie Pies, Twilight Sparkle's Retro Media Library
My theory about Pinkie Pie's logic - MLP:FiM Canon Discussion
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Too Many Pinkie Pies, Twilight Sparkle's Retro Media Library