- Otaku no Video
- OTMGirls no Yokiyoki Channel
- Otogi Juushi Akazukin
- Otogizoushi
- Otoko Ippiki Gaki Daishou
- Otokogi
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta...
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... (Dub)
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... OVA
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... OVA (Dub)
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... Voice Drama
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... X
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... X (Dub)
- Otome Game Sekai wa Mob ni Kibishii Sekai desu
- Otome Game Sekai wa Mob ni Kibishii Sekai desu (Dub)
- Otome wa Boku ni Koishiteru
- Otome wa Boku ni Koishiteru: Trinkle Stars The Animation
- Otome Youkai Zakuro
- Otome Youkai Zakuro Picture Drama
- Otona Joshi no Anime Time
- Otona no Bouguya-san
- Otona no Bouguya-san (Rimen)
- Otona no Bouguya-san 2nd Season
- Otonari ni Ginga
- Otonari ni Ginga (Dub)
- Otonari no Tenshi-sama ni Itsunomanika Dame Ningen ni Sareteita Ken
- Ou Dorobou Jing in Seventh Heaven
- Ou Dorobou Jing in Seventh Heaven (Dub)
- Ougon Bat
- Ougon Senshi Gold Lightan
- Ouran High School Host Club
- Ouran Koukou Host Club (Dub)
- Ousama Game The Animation
- Ousama Game The Animation (Dub)
- Ousama Ranking
- Ousama Ranking (Dub)
- Ousama Ranking: Yuuki no Takarabako
- Ousama Ranking: Yuuki no Takarabako (Dub)
- Oushitsu Kyoushi Haine
- Oushitsu Kyoushi Haine (Dub)
- Oushitsu Kyoushi Heine Movie
- Outbreak Company (Dub)
- Outbreak Company
- Outlanders
- Outlanders (Dub)
- Outlaw Star (Dub)
- Outrageous! I Really Didn’t Want to Open a Training Class For Empresses!
- Oval x Over
- Over Drive
- Overlord
- Overlord (Dub)
- Overlord Combat Maid Chibi Comedy Spinoff
- Overlord II
- Overlord II (Dub)
- Overlord III
- Overlord III (Dub)
- Overlord IV
- Overlord IV (Dub)
- Overlord Movie 1: Fushisha no Ou
- Overlord Movie 2: Shikkoku no Eiyuu
- Overlord Movie 3: Sei Oukoku-hen
- Overlord: Ple Ple Pleiades - Clementine Toubou-hen
- Overlord: Ple Ple Pleiades (OVA)
- Overlord: Ple Ple Pleiades 2
- Overlord: Ple Ple Pleiades 3
- Overlord: Ple Ple Pleiades 4
- Overman King Gainer
- Overman King Gainer (Dub)
- Overmortal
- Overtake!
- Owari no Seraph
- Owari no Seraph (Dub)
- Owari no Seraph 2nd Season (Dub)
- Owari no Seraph: Kyuuketsuki Shahar
- Owari no Seraph: Nagoya Kessen-hen
- Owari no Seraph: Nagoya Kessen-hen - Owaranai Seraph - Nagoya Kessen-hen
- Owari no Seraph: Owaranai Seraph
- Owarimonogatari
- Owarimonogatari 2nd Season
- Oyayubi Hime Monogatari Movie
- Oz no Mahoutsukai (1986)
- Oz no Mahoutsukai (1986) (Dub)
- Ozanari Dungeon: Kaze no Tou
- Ozmafia!!
- Ozuma
- Pac-World
- Pac-World (Dub)
- Pachislo Kizoku Gin
- Pachislot Eureka Seven 3
- Pacific Rim: The Black
- Pacific Rim: The Black (Dub)
- Pacific Rim: The Black Season 2
- Pacific Rim: The Black Season 2 (Dub)
- Pale Cocoon
- Palme no Ki
- Pan de Peace!
- Panda Kopanda (Dub)
- Panda-Z: The Robonimation
- Panda! Go Panda!
- Pandalian (Dub)
- Pandora Hearts
- Pandora Hearts Special
- Pandora to Akubi
- Pani Poni Dash
- Pani Poni Dash OVA
- Paniponi Dash! (Dub)
- Pankunchi
- Pantheon (Dub)
- Pantheon: Season 2 (Dub)
- Panty & Stocking in Sanitarybox
- Panty & Stocking with Garterbelt (Dub)
- Panty & Stocking with Garterbelt OVA (Dub)
- Panty and Stocking with Garterbelt
- Panyo Panyo Di Gi Charat
- Panyo Panyo Di Gi Charat (Dub)
- Panzer Dragoon (Dub)
- Papa datte, Shitai
- Papa no Iukoto wo Kikinasai! OVA
- Papa no Iukoto wo Kikinasai!: Pokkapoka
- Papa to Kiss in the Dark
- Papillon Rose
- Paprika
- Paprika (Dub)
- Papuwa
- Papuwa (Dub)
- Paradise Kiss
- Paradise Kiss (Dub)
- Paradox Live the Animation
- Paranoia Agent
- Parappa the Rapper
- Parasite Dolls
- Parasite Dolls (Dub)
- Paripi Koumei
- Paripi Koumei (Dub)
- Paripi Koumei: Road to Summer Sonia
- Paris No Isabelle