| Number | Poster | Title | Total Episode | Status | Type | Detail |
|---|---|---|---|---|---|---|
| 6850 | |
Oban Star-Racers | 26 | Completed | TV Series | |
| 6851 | |
Obey Me! | 12 | Ongoing | ONA | |
| 6852 | |
Obey Me! Season 2 | 12 | Ongoing | ONA | |
| 6853 | |
Obey Me! Special - Devildom Family Trip | 1 | Completed | ONA | |
| 6854 | |
Obsolete | 12 | Ongoing | ONA | |
| 6855 | |
Occult Academy | 13 | Completed | TV Series | |
| 6856 | |
Occultic;Nine | 12 | Completed | Fall 2016 Anime | |
| 6857 | |
Ocean Waves | 1 | Completed | Episodes | |
| 6858 | |
Ocha-ken: Chokotto Monogatari | 26 | Completed | TV Series | |
| 6859 | |
Ochame na Futago: Claire Gakuin Monogatari | 26 | Completed | TV Series | |
| 6860 | |
Ochamegami Monogatari: Korokoro Pollon | 10 | Completed | TV Series | |
| 6861 | |
Ochibi-san | 24 | Ongoing | Fall 2023 Anime | |
| 6862 | |
Ochikobore Fruit Tart | 12 | Ongoing | Fall 2020 Anime | |
| 6863 | |
Oda Cinnamon Nobunaga | 12 | Ongoing | Winter 2020 Anime | |
| 6864 | |
Oda Nobuna No Yabou | 12 | Completed | TV Series | |
| 6865 | |
Odd Taxi | 13 | Ongoing | Spring 2021 Anime | |
| 6866 | |
Odd Taxi Movie: In the Woods | 1 | Completed | Movie | |
| 6867 | |
Odekake Kozame | 60 | Ongoing | ONA | |
| 6868 | |
Odekake Kozame à Chiba-ken Kuro Ajillo | 1 | Completed | Special | |
| 6869 | |
Odin: Koushi Hansen Starlight | 1 | Completed | Movie | |
| 6870 | |
Oedo wa Nemurenai! | 1 | Completed | OVA | |
| 6871 | |
Offside (TV) | 39 | Completed | TV Series | |
| 6872 | |
Oh! Edo Rocket | 26 | Completed | TV Series | |
| 6873 | |
Oh! Family | 3 | Completed | TV Series | |
| 6874 | |
Oh! Super Milk-chan | 13 | Completed | TV Series |