Day Day Up / Season 1 ▦ Season guide Day Day Up: Season 1 17 episodes Premiered Aug 4, 2008 Updated Jul 23, 2026 Spoiler-safe Advertisement Season 1 Episodes Episode Guide 🛡️ SPOILER SHIELD Season 1 Progress Shield All Safe I'm Watching Caught Up Season: Season 1 Last Watched: None (Not started) Episode 1 Episode 2 Episode 3 Episode 4 Episode 5 Episode 6 Episode 7 Episode 8 Episode 9 Episode 10 Episode 11 Episode 12 Episode 13 Episode 14 Episode 15 Episode 16 Episode 17 Future titles & synopses blurred. Tap "Reveal" on any card to peek. Binge Efficiency Engine Season 1: Filler vs. Essential Canon Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests. 18% 82% Mytharc (3): Crucial lore & season climaxes Core (14): Character development & subplots Side Quest (0): Standalone / filler Show All (17) Crucial Mytharc (3) Essential Canon (17) S1·E1 Mytharc Episode 1 Aug 4, 2008 S1·E2 Core Episode 2 Aug 5, 2008 S1·E3 Core Episode 3 Aug 6, 2008 S1·E4 Core Episode 4 Aug 7, 2008 S1·E5 Core Episode 5 Sep 12, 2008 S1·E6 Core Episode 6 Sep 26, 2008 S1·E7 Core Episode 7 Oct 3, 2008 S1·E8 Core Episode 8 Oct 10, 2008 S1·E9 Core Episode 9 Oct 17, 2008 S1·E10 Core Episode 10 Oct 24, 2008 S1·E11 Core Episode 11 Oct 31, 2008 S1·E12 Core Episode 12 Nov 7, 2008 S1·E13 Core Episode 13 Nov 14, 2008 S1·E14 Core Episode 14 Dec 5, 2008 S1·E15 Core Episode 15 Dec 12, 2008 S1·E16 Mytharc Episode 16 Dec 19, 2008 S1·E17 Mytharc Episode 17 Dec 26, 2008 Advertisement