Episode
2010 - My Little Pony: Friendship Is Magic
S08E22 What Lies Beneath
The students of Twilight's School of Friendship are cramming for "History of Magic in Equestria" exam in the school library when they discover a part of the school that no pony else knows about. When they decide to do some exploring they end up learning much more than they bargained for. themoviedb
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