The Avatar finally awakens after his life-threatening battle at Ba Sing Se to find that he has a full head of hair and a burning desire to finally defeat the Firelord. The epic third season of Nickelodeon's hit series from creator's Mike DiMartino and Bryan Konietzko, Avatar: The Last Airbender, will premiere Friday, September 21 at 8:30 p.m. (ET/PT). In support of this premiere, Nicktoons Networks will air mini marathons of Avatar seasons one and two from Monday, September 17 at 2:00 p.m. (ET) through Thursday, September 20. New episodes of Avatar: The Last Airbender will continue to premiere with new episodes in its regular timeslot on Fridays at 8:30 p.m. (ET/PT) on Nickelodeon.

In the season three premiere of Avatar, "The Awakening," Aang wakes up to find himself aboard a captured Fire Nation ship after sustaining serious injuries at the end of season two. Katara, Sokka, and their father are with him and they recount the events that led the four to the ship and how they plan to attack the Fire Nation. Aang struggles to fight his own instincts to face the Firelord before he is ready, but ultimately accepts that he needs time to heal and regain his strength. Meanwhile, Zuko is dealing with his own issues as he journeys home for first time in three years, fearing his father will reject him once again.

On Tuesday, September 11, timed to coincide with the season three debut, Nickelodeon Home Entertainment and Paramount Home Entertainment will release Avatar: The Last Airbender: The Complete Book 2 Collection. The deluxe box-set features all 20 Book 2: Earth chapters along with a bonus disc full of exclusive material including an interview with M. Night Shyamalan. The bonus disc also includes an exclusive animated graphic novel, plus three original shorts and a martial arts featurette.