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.
Fifteen-year-olds with better reflexes than you'll ever have, and they're not even warmed up yet.
Fun fact: Started as a free Half-Life mod made by two university students in 1999.