Anime starting with O

62 anime with filler charts, sorted by title.

OO Maidens in Your Savage Season2019 · 12 epsNo fillerOOban Star-Racers2006-2007 · 26 epsNo fillerOOblivion Battery2024 · 12 epsNo fillerOOccult Academy2010 · 13 epsNo fillerOOccultic;Nine2016 · 12 epsNo fillerOOdd Taxi2021 · 13 epsNo fillerOOffside (TV)2001-2002 · 39 epsNo fillerOOh Boy, Was I Wrong About Her2026 · 12 epsNo fillerOOh! Edo Rocket2007 · 26 epsNo fillerOOh! My Goddess: The Adventures of Mini-Goddess1998-1999 · 48 epsNo fillerOOishinbo1988-1992 · 136 epsNo fillerOOjamajo Doremi Dokkaan!2002-2003 · 51 epsNo fillerOOkami-San and Her Seven Companions2010 · 12 epsNo fillerOOkitsura: Fell in Love with an Okinawan Girl, but I Just Wish I Know What She's Saying2025 · 12 epsNo fillerOOmamori Himari2010 · 12 epsNo fillerOOnce Upon a Witch's Death2025 · 12 epsNo fillerOOne Outs2008-2009 · 25 epsNo fillerOOne Piece1999-present · 1174 eps8% fillerOOne Piece Log: Fish-Man Island Saga2024-2025 · 21 epsNo fillerOOne Punch Man2015 · 12 epsNo fillerOOne-Punch Man Season 22019 · 12 epsNo fillerOOne Week Friends2014 · 12 epsNo fillerOOnegai My Melody2005-2006 · 52 epsNo fillerOOnegai My Melody: Kurukuru Shuffle!2006-2007 · 52 epsNo fillerOOnegai My Melody Sukkiri2007-2008 · 52 epsNo fillerOOnegai! Samia Don1985-1986 · 39 epsNo fillerOOnihei2017 · 13 epsNo fillerOOnimai: I'm Now Your Sister!2023 · 12 epsNo fillerOOrange2016 · 13 epsNo fillerOOrb: On the Movements of the Earth2024-2025 · 25 epsNo fillerOOreImo2010 · 12 epsNo fillerOOreImo 22013 · 13 epsNo fillerOOreshura2013 · 13 epsNo fillerOOresuki: Are You the Only One Who Loves Me?2019 · 12 epsNo fillerOOrient: Awajishima Gekitou-hen2022 · 12 epsNo fillerOOrphen1998-1999 · 24 epsNo fillerOOrphen 2: Revenge1999-2000 · 23 epsNo fillerOOruchuban Ebichu1999 · 24 epsNo filler[[Oshi no Ko]2023 · 11 epsNo filler[[Oshi No Ko] Season 22024 · 13 epsNo filler[[Oshi no Ko] Season 32026 · 11 epsNo fillerOOsomatsu-kun (1988)1988-1989 · 86 epsNo fillerOOsomatsu-san 3rd Season2020-2021 · 25 epsNo fillerOOtoboku: Maidens are Falling for Me!2006 · 12 epsNo fillerOOtogi Zoshi: The Legend of Magatama2004-2005 · 26 epsNo fillerOOtome Youkai Zakuro2010 · 13 epsNo fillerOOugon Yuusha Goldran1995-1996 · 48 epsNo fillerOOur Dating Story: The Experienced You and The Inexperienced Me2023 · 12 epsNo fillerOOur Home's Fox Deity2008 · 24 epsNo fillerOOur Last Crusade or the Rise of a New World2020 · 12 epsNo fillerOOur Last Crusade or the Rise of a New World Season 22024-2025 · 12 epsNo fillerOOuran High School Host Club2006 · 26 epsNo fillerOOutbreak Company2013 · 12 epsNo fillerOOutburst Dreamer Boys2019 · 11 epsNo fillerOOutlaw Star1998 · 24 eps21% fillerOOver Drive2007 · 26 epsNo fillerOOverlord2015 · 13 epsNo fillerOOverlord III2018 · 13 epsNo fillerOOverlord IV2022 · 13 epsNo fillerOOverman King Gainer2002-2003 · 26 epsNo filler