- Overlord
- Otona no Bouguya-san 2nd Season
- Overflow (TV ver.)
- Over the Divine Realms
- Overlord II
- Overlord III
- Outbreak Company
- Orient Part 2
- Once Upon a Witch's Death
- Over Drive
- Overflow (Uncensored)
- Overlord: Ple Ple Pleiades 3
- Overlord IV
- Owarimonogatari Second Season
- One Way or Another
- Ozma
- Owarimonogatari
- Ozmafia!!
- One Piece - Wano Kuni SP
- Ore ga Ojousama Gakkou ni "Shomin Sample" Toshite Gets♥Sareta Ken Specials
- Ouran High School Host Club
- Owari no Seraph: Vampire Shahar
- Outlanders
- Overlord: The Sacred Kingdom
