- Ochibi-san
- Ohayou! Spank (Movie)
- Odd Taxi
- Oira Sukeban
- Odin: Starlight Mutiny
- On Your Mark
- Onara Goro
- One Piece 3D: Gekisou! Trap Coaster
- Omamori Himari
- One Piece 3D: Strawhat Chase
- Oshi No Ko Season 2
- One Piece - Wano Kuni SP
- Only Yesterday
- Our Dating Story: The Experienced You and The Inexperienced Me, Kimizero
- Occult Academy
- Oda Cinnamon Nobunaga
- Okubyou na Venus
- One Piece 3D2Y: 15th Anniversary
- Obey Me!
- One Piece Egghead Arc Recap
- One Piece: The Movie 13 - Film: Gold
- Okoshiyasu, Chitose-chan Recaps
- Okitsura: Fell in Love with an Okinawan Girl, but I Just Wish I Know What She's Saying
- Okoshiyasu, Chitose-chan
