Oniva! / Season 1 ▦ Season guide Oniva!: Season 1 16 episodes Premiered Jan 8, 2004 Updated Aug 20, 2026 Spoiler-safe Advertisement Episodes S1·E1 Episode 1 Jan 8, 2004 S1·E2 Episode 2 Jan 15, 2004 S1·E3 Episode 3 Jan 22, 2004 S1·E4 Episode 4 Jan 29, 2004 S1·E5 Episode 5 Feb 5, 2004 S1·E6 Episode 6 Feb 12, 2004 S1·E7 Episode 7 Feb 19, 2004 S1·E8 Episode 8 Feb 26, 2004 S1·E9 Episode 9 Mar 4, 2004 S1·E10 Episode 10 Mar 11, 2004 S1·E11 Episode 11 Mar 18, 2004 S1·E12 Episode 12 Mar 25, 2004 S1·E13 Episode 13 Apr 1, 2004 S1·E14 Episode 14 Apr 8, 2004 S1·E15 Episode 15 Apr 15, 2004 S1·E16 Episode 16 Apr 22, 2004