Studio Deen

is a Japanese animation studio founded in 1975 by former Sunrise producer Hiroshi Hasegawa, along with a team of ex-Sunrise animators. The studio owns three subsidiaries: Danny Donghua (), a Chinese sub-contracting studio; Megumi (め組), a digital work sub-contracting studio; and Umidori (うみどり), a 3DCG sub-contracting studio. Studio Deen has been operating as a subsidiary of IMA Group since April 2011.

Television series

1984–2000

• Urusei Yatsura (1984–1986, #107–195)
• Pro Golfer Saru (1985–1988, co-produced with Shin-Ei Animation)
• Maison Ikkoku (1986–1988)
• F (1988)
• Ranma ½ (1989)
• Ranma ½ Nettōhen (1989–1992)
• DNA² (1994, with Madhouse)
• Zenki (1995)
• Kuma no Putaro (1995-1996)
• You're Under Arrest (1996–1997)
• Violinist of Hameln (1996–1997)
• Rurouni Kenshin (1997–1998, #67–95)
• Eat-Man (1997)
• Haunted Junction (1997)
• Next Senki Ehrgeiz (1997)
• Don't Leave Me Alone, Daisy (1997)
• AWOL -Absent Without Leave- (1998)
• Eat-Man '98 (1998)
• Super Radical Gag Family (1998)
• Shadow Skill - Eigi (1998)
• Momoiro Sisters (1998)
• Eden's Bowy (1999)
• Houshin Engi (1999)
• Itsumo Kokoro ni Taiyō o! (1999)
• Let's Dance With Papa (1999)
• You're Under Arrest (1999)
• Mon Colle Knights (2000)
• Gravitation (2000–2001)

2001–2010

• You're Under Arrest 2 (2001)
• ' (2001)
• Fruits Basket (2001, 1st anime)
• Kokoro Library (2001)
• Sadamitsu the Destroyer (2001)
• Rave Master (2001–2002)
• Samurai Deeper Kyo (2002)
• Bomberman Jetters (2002–2003)
• Full Moon o Sagashite (2002–2003)
• GetBackers (2002–2003)
• ' (2002)
• The Mythical Detective Loki Ragnarok (2003)
• Mouse (2003)
• Yami to Bōshi to Hon no Tabibito (2003)
• Diamond Daydreams (2004)
• Maria-sama ga Miteru (2004)
• Maria-sama ga Miteru: Printemps (2004)
• Yumeria (2004)
• Get Ride! AMDriver (2004–2005)
• Tactics (2004–2005)
• Zipang (2004–2005)
• Kyo Kara Maoh! (2004–2006)
• Amaenaide yo!! (2005)
• Ginga Densetsu Weed (2005–2006)
• Hell Girl (2005–2006)
• The Law of Ueki (2005–2006)
• Amaenaide yo!! Katsu!! (2006)
• Binchō-tan (2006)
• Fate/stay night (2006)
• Higurashi no Naku Koro ni (2006)
• Hell Girl: Two Mirrors (2006–2007)
• Princess Princess (2006)
• Simoun (2006)
• Shōnen Onmyōji (2006–2007)
• Higurashi no Naku Koro ni Kai (2007)
• Shining Tears X Wind (2007)
• Tōka Gettan (2007)
• You're Under Arrest: Full Throttle (2007–2008)
• Code-E (2007)
• Shion no Ō (2007–2008)
• Fantastic Detective Labyrinth (2007–2008)
• Gag Manga Biyori 3 (2008)
• Mission-E (2008)
• Amatsuki (2008)
• Hatenkō YÅ«gi (2008)
• ' (2008)
• Vampire Knight (2008)
• Hell Girl: Three Vessels (2008–2009)
• ' (2008)
• Vampire Knight Guilty (2008)
• Kyo Kara Maoh! Third Series (2008–2009)
• Maria-sama ga Miteru (2009)
• Cookin' Idol Ai! Mai! Main! (2009)
• 07-Ghost (2009)
• Student Council's Discretion (2009)
• Umineko no Naku Koro ni (2009)
• Gag Manga Biyori + (2010)
• Giant Killing (2010)
• Hakuoki: Demon of the Fleeting Blossom (2010)
• ' (2010)
• Hakuoki: Record of the Jade Blood (2010)
• Starry Sky (2010–2011)

• Dragon Crisis! (2011)
• Is This a Zombie? (2011)
• Sekai-ichi Hatsukoi (2011)
• ' (2011)
• Sekai-ichi Hatsukoi 2 (2011)
• Poyopoyo Kansatsu Nikki (2012)
• Hakuoki: Dawn of the Shinsengumi (2012)
• Hiiro no Kakera: The Tamayori Princess Saga (2012)
• Is This a Zombie? of the Dead (2012)
• ' (2012)
• Hiiro no Kakera: The Tamayori Princess Saga 2 (2012)
• ' (2013)
• Rozen Maiden: Zurückspulen (2013)
• Gifu Dodo!! Kanetsugu to Keiji (2013)
• Meganebu! (2013)
• Pupa (2014)
• Sakura Trick (2014)
• ' (2014)
• Always! Super Radical Gag Family (2014)
• Samurai Jam -Bakumatsu Rock- (2014)
• Log Horizon 2 (2014–2015)
• ' (2015)
• ' (2015)
• ' (2016–2017)
• Reikenzan: Hoshikuzu-tachi no Utage (2016)
• KonoSuba (2016–2017)
• Rilu Rilu Fairilu ~Yousei no Door~ (2016–2017)
• Super Lovers (2016–2017)
• Haven't You Heard? I'm Sakamoto (2016)
• Tonkatsu DJ Agetarō (2016)
• First Love Monster (2016)
• Ao Oni: The Animation (2016–2017)
• Reikenzan: Eichi e no Shikaku (2017)
• Kabukibu! (2017)
• Rilu Rilu Fairilu ~Maho no Kagami~ (2017–2018)
• Hell Girl: The Fourth Twilight (2017)
• The Reflection (2017)
• Hozuki's Coolheadedness 2 (2017–2018)
• Junji Ito Collection (2018)
• Gurazeni (2018)
• Ongaku Shōjo (2018)
• Oshiete Mahou no Pendulum ~Rilu Rilu Fairilu~ (2018–2019)
• AgÅ«: Tensai Ningyō (2018)
• Muhyo & Roji's Bureau of Supernatural Investigation (2018–2020)
• Xuan Yuan Sword Luminary (2018)
• Bakumatsu (2018–2019)
• ' (2019)
• Outburst Dreamer Boys (2019)
• ' (2019–2020)
• Sorcerous Stabber Orphen (2020)

2021–present

• Log Horizon: Destruction of the Round Table (2021)
• ' (2021)
• Sorcerous Stabber Orphen: Battle of Kimluck (2021)
• Sasaki and Miyano (2022)
• Sorcerous Stabber Orphen: Chaos in Urbanrama (2023)
• ' (2023, with Toei Animation)
• ' (2024)
• The Banished Former Hero Lives as He Pleases (2024, with Marvy Jack)
• Welcome Home (2024)
• Days with My Stepsister (2024)
• Twilight Out of Focus (2024)
• Yakuza Fiancé: Raise wa Tanin ga Ii (2024)
• I'm a Noble on the Brink of Ruin, So I Might as Well Try Mastering Magic (2025, with Marvy Jack)
• Magic Maker: How to Make Magic in Another World (2025)
• Witchy Pretty Cure!! Mirai Days (2025, with Toei Animation)
• Gag Manga Biyori Go (2025)
• Binan Kōkō ChikyÅ« Bōei-bu Haikara! (2025)
• Ninja vs. Gokudo (2025)
• The Dark History of the Reincarnated Villainess (2025)
• Shiboyugi: Playing Death Games to Put Food on the Table (2026)
• The Other World's Books Depend on the Bean Counter (2026)
• The Villainess Is Adored by the Prince of the Neighbor Kingdom (2026)
• Iwamoto-senpai no Suisen (2026)
• Victoria of Many Faces (2026)

• Urusei Yatsura (1985–1987, <small>#1–3</small>)
• Making of Urusei Yatsura 4: Lum the Forever (1986)
• Twilight Q: Mystery Article File 538 (1987)
• The Samurai (1987)
• Patlabor: Early Days (1988–1989)
• Eiyuu Gaiden Mozaicka (1991)
• Judo-bu Monogatari
• Domain of Murder (1992)
• Ranma ½ (1993–1994)
• You're Under Arrest (1994–1995)
• The Irresponsible Captain Tylor (1994–1996, episodes 3–10)
• Ranma ½ Special (1994–1995)
• DNA² (1995, with Madhouse)
• Ranma ½ Super (1995–1996)
• Shounen Santa no Bouken (1996)
• Kishin Dōji Zenki Gaiden: Anki Kitan (1997)
• ' (1998)
• Super Mobile Legend Dinagiga (1998)
• ' (1999)
• Phantom Hunter Miko (2000–2001, with ShinkÅ«kan)
• ' (2001-2002)
• Read or Die (2001)
• You're Under Arrest (2002)
• ' (2004)
• Maria-sama ni wa Naisho (2004–2009)
• Maria-sama ga Miteru (2006–2007)
• Kyo Kara Maoh! R (2007–2008)
• Ranma ½: Nightmare! Incense of Spring Sleep (2008, with Sunrise)
• Higurashi no Naku Koro ni Rei (2009)
• ' (2009–2010)
• ' (2010–2011)
• ' (2011–2012)
• Higurashi no Naku Koro ni Kira (2011–2012)
• Hakuoki: A Memory of Snow Flowers (2011–2012)
• Sekai-ichi Hatsukoi: No love's like to the first. (2011)
• Sekai-ichi Hatsukoi: Hatori Yoshiyuki no Baai (2011)
• ' (2012)
• ' (2013)
• Higurashi no Naku Koro ni Kaku: Outbreak (2013)
• Hybrid Child (2014–2015)
• ' (2015)
• ' (2015)
• Haven't You Heard? I'm Sakamoto (2016)
• Hozuki's Coolheadedness (2017)
• Neo Yokio (2017, with Production I.G and Moi Animation)
• Rick and Morty (2020 special "Samurai & Shogun" & 2021 special "Samurai & Shogun Part 2")
• Sorcerous Stabber Orphen (2020)
• ' (2021)
• Hakuoki (2021–2022)
• Sasaki and Miyano (2022)
• ' (2023)
• ' (2023)

• Urusei Yatsura 3: Remember My Love (1985)
• Angel's Egg (1985)
• Urusei Yatsura 4: Lum the Forever (1986)
• ' (1989)
• Ranma ½: Big Trouble in Nekonron, China (1991)
• Ranma ½: Nihao My Concubine (1992)
• Dohyō no Oni-tachi (1994)
• Ranma ½: Super Indiscriminate Decisive Battle! Team Ranma vs. the Legendary Phoenix (1994)
• You're Under Arrest: The Movie (1999)
• Mon Colle Knights the Movie: The Legendary Fire Dragon and The Mysterious Tatari-chan (2000)
• Initial D Third Stage (2001, with Pastel)
• ' (2010)
• ' (2010)
• Hakuoki: Wild Dance of Kyoto (2013)
• Hakuoki: Warrior Spirit of the Blue Sky (2014)
• ' (2014)
• The World’s Greatest First Love: Valentine Arc (2014)
• Ongaku Shōjo (2015)
• ' (2015)
• ' (2016)
• Why We Live: The Priest Rennyo and the Yoshizaki Fire (2016)
• Ao Oni: The Animation (2017)
• The World’s Greatest First Love: Proposal Arc (2020)
• Pretty Guardian Sailor Moon Eternal The Movie (2021, with Toei Animation)
• ' (2021)
• Pretty Guardian Sailor Moon Cosmos The Movie (2023, with Toei Animation)
• ' (2023)
• Gekijōban Collar × Malice Deep Cover (2023)
• Shiboyugi: Playing Death Games to Put Food on the Table – 44: Cloudy Beach (2026)