Beloved by young girls around the world, Hasbro's My Little Pony franchise has been mired in controversy since its debut in the early 1980s. Critics dismissed the cartoons as toy advertisements, and derided their embrace of femininity. The 2010 debut of the openly feminist My Little Pony: Friendship Is Magic renewed the backlash, as its broad appeal challenged entrenched notions about gendered entertainment. This first comprehensive...