Someone looked at sailing and surfing and thought, yeah but what if I had to do both at once.
Fun fact: A 12-year-old English boy built a rudimentary sailboard in 1958, a decade before windsurfing was officially invented.
A kids' show that handled war, genocide, and redemption better than most prestige dramas manage.
Fun fact: Each bending style is modeled on a distinct real-world martial art, choreographed by a kung fu master.