- Ikki Tousen
- Ikkitousen: Dragon Destiny
- Ikkitousen: Dragon Destiny Specials
- Ikkitousen: Extravaganza Epoch
- Ikkitousen: Great Guardians
- Ikkitousen: Great Guardians Specials
- Ikkitousen: Shuugaku Toushi Keppuuroku
- Ikkitousen: Western Wolves
- Ikkitousen: Xtreme Xecutor
- Ikkitousen: Xtreme Xecutor Specials
- Ikoku Irokoi Romantan
- Croisée in a Foreign Labyrinth The Animation
- La croisée dans un labyrinthe étranger Special
- Journal with Witch
- Now and Then, Here and There
- Imawa no Kuni no Alice (OVA)
- A Sister's All You Need
- Franz Kafka's A Country Doctor
- Inari Kon Kon
- Inazuma Eleven
- Inazuma Eleven Go
- Inazuma Eleven Go vs. Danball Senki W Movie
- Inazuma Eleven Go: Chrono Stone
- Inazuma Eleven Go: Galaxy
- Inazuma Eleven: Balance of Ares
- Inazuma Eleven: Orion no Kokuin
- Condition Green
- Inferno Cop
- Inferno Cop: Fact Files
- Infini-T Force
- Ingress the Animation
- Initial D Battle Stage
- Initial D Battle Stage 2
- Initial D Extra Stage
- Initial D Extra Stage 2
- Initial D Fifth Stage
- Initial D Final Stage
- Initial D First Stage
- Initial D Fourth Stage
- Initial D Second Stage
- Initial D Third Stage
- Ghost in the Shell 2: Innocence
- Innocent Venus
- The Summer of Dioxin
- When Supernatural Battles Became Commonplace
- Interlude
- Interstellar Wanderer
- My Life as Inukai-san's Dog (Uncensored)
- My Life as Inukai-san's Dog.
- My Life as Inukai-san’s Dog. OVA
- Dog & Scissors
- With a Dog AND a Cat, Every Day is Fun
- Inu X Boku Secret Service
- Inu X Boku Secret Service Special
- Inu-Ou
- Inugami-san to Nekoyama-san
- Inugami-san to Nekoyama-san: Nekoyama-san to Onsen Ryokou
- Inukami!
- Inukami! The Movie: Tokumei Reiteki Sousakan Karina Shirou!
- Inuki Kanako Zekkyou Collection: Gakkou ga Kowai!
- InuYasha
- InuYasha the Movie: Affections Touching Across Time
- InuYasha the Movie 2: The Castle Beyond the Looking Glass
- InuYasha the Movie 3: Swords of an Honorable Ruler
- InuYasha the Movie 4: Fire on the Mystic Island
- InuYasha: The Final Act
- InuYasha: Kuroi Tessaiga
- Inuyashiki: Last Hero
- Ippatsu Kiki Musume
- Ippon Bouchou Mantarou
- Ippou Nippon Mukashibanashi
- Iria: Zeiram The Animation
- Iriya no Sora, UFO no Natsu
- Irodorimidori
- Eon Kid
- Iroduku: The World in Colors
- Megaman X - The Day of Sigma
- Infinite Stratos
- Infinite Stratos 2
- IS: Infinite Stratos 2: Long Vacation Edition - The Memories of One Summer
- IS: Infinite Stratos 2 - Infinite Wedding
- IS: Infinite Stratos 2 - World Purge
- IS: Infinite Stratos: A Sextet Yearns to Be in Love
- Isekai Cheat Magician
- Isekai Cheat Magician: Special
- I Got a Cheat Skill in Another World and Became Unrivaled in The Real World, Too
- Fluffy Paradise
- Isekai Izakaya: Japanese Food From Another World
- How Not to Summon a Demon Lord
- How Not to Summon a Demon Lord Ω
- A Harem in a Fantasy World Labyrinth
- Harem in the Labyrinth of Another World (Uncensored)
- Harem in the Labyrinth of Another World Specials
- Apocalypse Bringer Mynoghra
- Isekai Office Worker: The Other World's Books Depend on the Bean Counter
- Tenchi Muyo! War on Geminar
- Farming Life in Another World
- Ojisan in Another World
- My One-Hit Kill Sister
- Isekai Quartet
- Isekai Quartet 2
- Isekai Quartet 3
- No Longer Allowed In Another World
- Restaurant to Another World
- Restaurant to Another World 2
- Summoned to Another World for a Second Time
- Suicide Squad Isekai
- In Another World With My Smartphone
- In Another World With My Smartphone 2
- Parallel World Pharmacy
- A Journey Through Another World: Raising Kids While Adventuring
- Ishii Hisaichi no Nanda Kanda Gekijou
- Ishura
- Ishura 2nd Season
- Interspecies Reviewers
- Island
- Issho ni Sleeping: Sleeping with Hinako
- Issho ni Training: Training with Hinako
- The Brilliant Healer's New Life in the Shadows
- One Week Friends
- Isshuukan Friends. Specials
- Isuca
- Isuca (Uncensored)
- Isuca: Gokuraku
- It's My Life
- BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.
- BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense 2nd Season
- ItaKiss
- GLOOMY The Naughty Grizzly
- Itoshi no Betty Mamonogatari
- Lovely Muuuuuuuco!
- The Junji Ito Collection
- Junji Ito Maniac: Japanese Tales of the Macabre
- Our love has always been 10 centimeters apart.
- Itsudatte My Santa!
- Itsuka Aeru Kimi ni
