Oniva! / Season 1 ▦ Season guide Oniva!: Season 1 16 episodes Premiered Jan 8, 2004 Updated Aug 20, 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 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. 19% 81% Mytharc (3): Crucial lore & season climaxes Core (13): Character development & subplots Side Quest (0): Standalone / filler Show All (16) Crucial Mytharc (3) Essential Canon (16) S1·E1 Mytharc Episode 1 Jan 8, 2004 S1·E2 Core Episode 2 Jan 15, 2004 S1·E3 Core Episode 3 Jan 22, 2004 S1·E4 Core Episode 4 Jan 29, 2004 S1·E5 Core Episode 5 Feb 5, 2004 S1·E6 Core Episode 6 Feb 12, 2004 S1·E7 Core Episode 7 Feb 19, 2004 S1·E8 Core Episode 8 Feb 26, 2004 S1·E9 Core Episode 9 Mar 4, 2004 S1·E10 Core Episode 10 Mar 11, 2004 S1·E11 Core Episode 11 Mar 18, 2004 S1·E12 Core Episode 12 Mar 25, 2004 S1·E13 Core Episode 13 Apr 1, 2004 S1·E14 Core Episode 14 Apr 8, 2004 S1·E15 Mytharc Episode 15 Apr 15, 2004 S1·E16 Mytharc Episode 16 Apr 22, 2004 Advertisement