| Number | Poster | Title | Total Episode | Status | Type | Detail |
|---|---|---|---|---|---|---|
| 6775 | |
Obey Me! Special - Devildom Family Trip | 1 | Completed | ONA | |
| 6776 | |
Obsolete | 12 | Ongoing | ONA | |
| 6777 | |
Occult Academy | 13 | Completed | TV Series | |
| 6778 | |
Occultic;Nine | 12 | Completed | Fall 2016 Anime | |
| 6779 | |
Ocean Waves | 1 | Completed | Episodes | |
| 6780 | |
Ocha-ken: Chokotto Monogatari | 26 | Completed | TV Series | |
| 6781 | |
Ochame na Futago: Claire Gakuin Monogatari | 26 | Completed | TV Series | |
| 6782 | |
Ochamegami Monogatari: Korokoro Pollon | 10 | Completed | TV Series | |
| 6783 | |
Ochibi-san | 24 | Ongoing | Fall 2023 Anime | |
| 6784 | |
Ochikobore Fruit Tart | 12 | Ongoing | Fall 2020 Anime | |
| 6785 | |
Oda Cinnamon Nobunaga | 12 | Ongoing | Winter 2020 Anime | |
| 6786 | |
Oda Nobuna No Yabou | 12 | Completed | TV Series | |
| 6787 | |
Odd Taxi | 13 | Ongoing | Spring 2021 Anime | |
| 6788 | |
Odd Taxi Movie: In the Woods | 1 | Completed | Movie | |
| 6789 | |
Odekake Kozame | 60 | Ongoing | ONA | |
| 6790 | |
Odekake Kozame à Chiba-ken Kuro Ajillo | 1 | Completed | Special | |
| 6791 | |
Odin: Koushi Hansen Starlight | 1 | Completed | Movie | |
| 6792 | |
Oedo wa Nemurenai! | 1 | Completed | OVA | |
| 6793 | |
Offside (TV) | 39 | Completed | TV Series | |
| 6794 | |
Oh! Edo Rocket | 26 | Completed | TV Series | |
| 6795 | |
Oh! Family | 3 | Completed | TV Series | |
| 6796 | |
Oh! Super Milk-chan | 13 | Completed | TV Series | |
| 6797 | |
Ohayou! Spank | 48 | Completed | ONA | |
| 6798 | |
Oira Sukeban | 1 | Completed | OVA | |
| 6799 | |
Oira Uchuu no Tankoufu (Dub) | 2 | Completed | Episodes |