- Obsolete
- Obey Me!
- Ojamanga Yamada-kun (Movie)
- Operation Han-Gyaku-Sei Million Arthur
- Oh! Edo Rocket
- Odd Taxi Movie: In the Woods
- Obey Me! 2nd Season
- Ojisan and Marshmallow Episode 13: Hige-san and Marshmallow
- Occultic;Nine
- Ojisan and Marshmallow
- Oishinbo
- Orochi, the Eight-Headed Dragon
- Okko's Inn
- Operation Han-Gyaku-Sei Million Arthur 2nd Season
- Ocha-ken: Chokotto Monogatari
- Ojamajo Doremi Sharp Movie
- Ojamajo Doremi: Owarai Gekijou
- Odin: Starlight Mutiny
- One Piece 3D: Strawhat Chase
- One Outs
- Okama Report
- Okoshiyasu, Chitose-chan
- Onara Goro
- One Piece 3D2Y: 15th Anniversary
