- Ascended Fanon: There was fan speculation that the Tree of Harmony was sapient and the closest to a Sentient Cosmic Force in the show. This episode pretty much confirms it.
- Short Run in Peru: This episode aired in Australia first.
http://tvtropes.org/pmwiki/pmwiki.php/Trivia/MyLittlePonyFriendshipIsMagicS8E22WhatLiesBeneath
FollowingTrivia / My Little Pony: Friendship Is Magic S8 E22 "What Lies Beneath"
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