8 Avatar / Season 1 Season guide 8 Avatar: Season 1 40 episodes Premiered Dec 22, 2008 Updated Jul 21, 2026 Spoiler-safe Episodes S1·E1 Episode 1 Dec 22, 2008 · 47 min 8 Avatar - Episode 1 S1·E2 Episode 2 · 47 min 8 Avatar - Episode 2 S1·E3 Episode 3 · 47 min 8 Avatar - Episode 3 S1·E4 Episode 4 · 47 min 8 Avatar - Episode 4 S1·E5 Episode 5 · 47 min 8 Avatar - Episode 5 S1·E6 Episode 6 · 48 min 8 Avatar - Episode 6 S1·E7 Episode 7 · 47 min 8 Avatar - Episode 7 S1·E8 Episode 8 · 47 min 8 Avatar - Episode 8 S1·E9 Episode 9 · 47 min 8 Avatar - Episode 9 S1·E10 Episode 10 · 47 min 8 Avatar - Episode 10 S1·E11 Episode 11 · 47 min 8 Avatar - Episode 11 S1·E12 Episode 12 · 48 min 8 Avatar - Episode 12 S1·E13 Episode 13 · 47 min 8 Avatar - Episode 13 S1·E14 Episode 14 · 47 min 8 Avatar - Episode 14 S1·E15 Episode 15 · 48 min 8 Avatar - Episode 15 S1·E16 Episode 16 · 47 min 8 Avatar - Episode 16 S1·E17 Episode 17 · 48 min 8 Avatar - Episode 17 S1·E18 Episode 18 · 47 min 8 Avatar - Episode 18 S1·E19 Episode 19 · 47 min 8 Avatar - Episode 19 S1·E20 Episode 20 · 47 min 8 Avatar - Episode 20 S1·E21 Episode 21 · 47 min 8 Avatar - Episode 21 S1·E22 Episode 22 · 47 min 8 Avatar - Episode 22 S1·E23 Episode 23 · 47 min 8 Avatar - Episode 23 S1·E24 Episode 24 · 47 min 8 Avatar - Episode 24 S1·E25 Episode 25 · 47 min 8 Avatar - Episode 25 S1·E26 Episode 26 · 47 min 8 Avatar - Episode 26 S1·E27 Episode 27 · 47 min 8 Avatar - Episode 27 S1·E28 Episode 28 · 48 min 8 Avatar - Episode 28 S1·E29 Episode 29 · 47 min 8 Avatar - Episode 29 S1·E30 Episode 30 · 48 min 8 Avatar - Episode 30 S1·E31 Episode 31 · 47 min 8 Avatar - Episode 31 S1·E32 Episode 32 · 48 min 8 Avatar - Episode 32 S1·E33 Episode 33 · 48 min 8 Avatar - Episode 33 S1·E34 Episode 34 · 47 min 8 Avatar - Episode 34 S1·E35 Episode 35 · 47 min 8 Avatar - Episode 35 S1·E36 Episode 36 · 47 min 8 Avatar - Episode 36 S1·E37 Episode 37 · 47 min 8 Avatar - Episode 37 S1·E38 Episode 38 · 47 min 8 Avatar - Episode 38 S1·E39 Episode 39 · 47 min 8 Avatar - Episode 39 S1·E40 Episode 40 Jan 5, 2009 · 48 min 8 Avatar - Episode 40