My Little Pony: Friendship is Magic #37
- Publisher: IDW
- Written By: Jeremy Whitley
- Art By: Andy Price
- Language: English
- Digital Release Date: December 16th, 2015
"Siege of the Crystal Empire" Part 4! The epic Pony storyline of 2015 comes to a close! Mutiple characters must make crucial decisions that will have an impact on the Crystal Empire--and Equestria--forever!