Avatar: The Last Airbender Season 3 -

Becomes a master swordsman and a tactical leader for the invasion force [4, 24].

Prince Zuko joins Team Avatar at the Western Air Temple. He takes each member on a "field trip" to earn their trust, including a trip to the original firebending masters—the dragons [7, 12, 28]. Avatar: The Last Airbender Season 3

21 episodes, concluding with a massive four-part series finale [14, 23]. Becomes a master swordsman and a tactical leader

The group disguises themselves as Fire Nation citizens. Highlights include Aang attending a local school ("The Headband") and Sokka training under a master swordsman ("Sokka's Master") [24]. 28]. 21 episodes

A full-scale invasion of the Fire Nation capital during a solar eclipse. Despite early success, the invasion fails when it's revealed Azula knew about the plan [12, 18].