Anime start with "O"

  • Outlanders (Dub) (1986)
    Ep 1

    Outlanders (Dub)

    1986
    Outlanders (Dub)

    51min. per ep Dec, 16 1986

    In the midst of a violent invasion of Earth by unknown alien forces, photojournalist Wakatsuki Tetsuya comes across a scantily-clad alien woman, cutting a swath...

    Format: OVA

    Status: Finished

    Season: Winter 1986

    Genres: Adventure, Comedy, Ecchi, Sci-Fi, Romance

  • Outlanders (1986)
    Ep 1

    Outlanders

    1986
    Outlanders

    51min. per ep Dec, 16 1986

    In the midst of a violent invasion of Earth by unknown alien forces, photojournalist Wakatsuki Tetsuya comes across a scantily-clad alien woman, cutting a swath...

    Format: OVA

    Status: Finished

    Season: Winter 1986

    Genres: Adventure, Comedy, Ecchi, Sci-Fi, Romance

  • One Piece (Dub) (1999)
    Ep 587

    One Piece (Dub)

    1999
    One Piece (Dub)

    24min. per ep Oct, 09 1999

    Gol D. Roger was known as the Pirate King, the strongest and most infamous being to have sailed the Grand Line. The capture and death...

    Format: TV

    Status: Releasing

    Season: Fall 1999

    Genres: Action, Adventure, Comedy, Drama, Fantasy

  • Oshi ga Budoukan Ittekuretara Shinu (Dub) (2020)
    Ep 12

    Oshi ga Budoukan Ittekuretara Shinu (Dub)

    2020
    Oshi ga Budoukan Ittekuretara Shinu (Dub)

    24min. per ep Jan, 10 2020

    A girl is obsessed with her favorite idol, a minor member of a less popular group, enough that she says she'd die to see her...

    Format: TV

    Status: Finished

    Season: Winter 2020

    Genres: Music, Comedy

  • Ore-sama Kingdom (2010)
    Ep 7

    Ore-sama Kingdom

    2010
    Ore-sama Kingdom

    11min. per ep Dec, 28 2010

    The story centers on Nonoha Nonohara, a young manga artist who just enrolled in a new school. She finds herself surrounded by a group of...

    Format: OVA

    Status: Finished

    Season: Winter 2010

    Genres: Romance

  • Ookami Kodomo no Ame to Yuki (2012)
    Ep 1

    Ookami Kodomo no Ame to Yuki

    2012
    Ookami Kodomo no Ame to Yuki

    117min. per ep Jun, 25 2012

    The theme of the film is the love between parents and children. The story covers 13 years and begins with a 19-year-old college student named...

    Format: Movie

    Status: Finished

    Season: Summer 2012

    Genres: Fantasy, Slice Of Life, Romance, Drama

  • Oshi ga Budoukan Ittekuretara Shinu (2020)
    Ep 12

    Oshi ga Budoukan Ittekuretara Shinu

    2020
    Oshi ga Budoukan Ittekuretara Shinu

    24min. per ep Jan, 10 2020

    A girl is obsessed with her favorite idol, a minor member of a less popular group, enough that she says she'd die to see her...

    Format: TV

    Status: Finished

    Season: Winter 2020

    Genres: Music, Comedy

  • Oda Cinnamon Nobunaga (2020)
    Ep 12

    Oda Cinnamon Nobunaga

    2020
    Oda Cinnamon Nobunaga

    24min. per ep Jan, 11 2020

    In the "one-of-a-kind samurai-general-reincarnated-as-a-canine comedy," Nobunaga perishes at Honnouji as in history, and reincarnates in modern-day Japan as a dog named Shinamon. Other Warring States...

    Format: TV

    Status: Finished

    Season: Winter 2020

    Genres: Comedy

  • One Punch Man 2 Specials (2019)
    Ep 3

    One Punch Man 2 Specials

    2019
    One Punch Man 2 Specials

    10min. per ep Oct, 25 2019

    Short Anime Specials include in One Punch Man 2nd Season BD & DVD.

    Format: Special

    Status: Releasing

    Season: Fall 2019

    Genres: Action, Comedy, Sci-Fi, Supernatural

  • OBSOLETE (2019)
    Ep 6

    OBSOLETE

    2019
    OBSOLETE

    13min. per ep Dec, 03 2019

    The year is 2014 and aliens have come to earth without warning to request for a “trade” - they offer conscious-control robots, “Exo-frames”, in return...

    Format: ONA

    Status: Finished

    Season: Fall 2019

    Genres: Sci-Fi, Mecha

  • Osomatsu-san Episode 3.5 (2016)
    Ep 1

    Osomatsu-san Episode 3.5

    2016
    Osomatsu-san Episode 3.5

    23min. per ep Jan, 29 2016

    Episode 3.5 features two short segments titled "Matsu-jiru" and "Douteina Hero." Matsu-jiru - One day, the Matsuno boys are greeted by a morning different from...

    Format: Special

    Status: Finished

    Season: Winter 2016

    Genres: Comedy

  • Osomatsu-san: Ouma de Kobanashi (2016)
    Ep 1

    Osomatsu-san: Ouma de Kobanashi

    2016
    Osomatsu-san: Ouma de Kobanashi

    24min. per ep Dec, 13 2016

    A special episode of Osomatsu-san made in collaboration with the Japan Racing Association (JRA).

    Format: Special

    Status: Finished

    Season: Fall 2016

    Genres: Comedy

  • Osomatsu-kun (1988)
    Ep 86

    Osomatsu-kun (1988)

    1988
    Osomatsu-kun (1988)

    24min. per ep Feb, 13 1988

    Osomatsu-kun is an anime remake of the classic gag comic with the same name by Fujio Akatsuka. The leading character is a boy named Osomatsu,...

    Format: TV

    Status: Finished

    Season: Winter 1988

    Genres: Comedy

  • Osomatsu-san 2 (2017)
    Ep 25

    Osomatsu-san 2

    2017
    Osomatsu-san 2

    25min. per ep Oct, 03 2017

    The second season of Osomatsu-san.

    Format: TV

    Status: Finished

    Season: Fall 2017

    Genres: Comedy, Slice Of Life

  • Osomatsu-san (2015)
    Ep 25

    Osomatsu-san

    2015
    Osomatsu-san

    24min. per ep Oct, 06 2015

    The Matsuno sextuplets (leader Osomatsu, wannabe tough guy Karamatsu, straight man Choromatsu, cynical Ichimatsu, cheerfully stupid Jyushimatsu and lovable spoiled Todomatsu) are now in their...

    Format: TV

    Status: Finished

    Season: Fall 2015

    Genres: Comedy, Slice Of Life

  • Osomatsu-san The Movie (2019)
    Ep 1

    Osomatsu-san The Movie

    2019
    Osomatsu-san The Movie

    108min. per ep Mar, 15 2019

    The film centers on the sextuplets at a high school class reunion. There, they see all their former classmates who have become "proper" adults with...

    Format: Movie

    Status: Finished

    Season: Winter 2019

    Genres: Comedy, Slice Of Life

  • Ougon Senshi Gold Raitan (1981)
    Ep 52

    Ougon Senshi Gold Raitan

    1981
    Ougon Senshi Gold Raitan

    25min. per ep Mar, 01 1981

    When a young boy called Hiro finds what appears to be a broken lighter in an empty field, it changes his life forever. This lighter...

    Format: TV

    Status: Finished

    Season: Spring 1981

    Genres: Mecha, Sci-Fi

  • Oh! Family (1986)
    Ep 3

    Oh! Family

    1986
    Oh! Family

    25min. per ep Oct, 06 1986

    This story takes place in Florida, USA. The main characters are the lovable members of the Andersons; each one has his or her own different...

    Format: TV

    Status: Finished

    Season: Fall 1986

    Genres: Comedy, Drama, Romance, Slice Of Life

  • Oishinbo (1988)
    Ep 11

    Oishinbo

    1988
    Oishinbo

    26min. per ep Oct, 17 1988

    Oishinbo is a drama about newspaper reporters. The main character is a cynical food critic named Yamaoka. Oishinbo is a popular mainstream comic for adults...

    Format: TV

    Status: Finished

    Season: Fall 1988

    Genres: Comedy

  • Oedo wa Nemurenai! (1993)
    Ep 1

    Oedo wa Nemurenai!

    1993
    Oedo wa Nemurenai!

    30min. per ep Jul, 23 1993

    We are now in the early 18th century, the Kyouhou era, when the merchant culture was flourishing. In Yoshiwara, the red light district of Edo,...

    Format: OVA

    Status: Finished

    Season: Summer 1993

    Genres: Drama, Fantasy

  • One Punch Man: Road to Hero (2015)
    Ep 1

    One Punch Man: Road to Hero

    2015
    One Punch Man: Road to Hero

    24min. per ep Dec, 04 2015

    OVA bundled with the 10th volume of the One Punch Man manga. It features an original story by the series' mangaka, ONE, about the secret...

    Format: OVA

    Status: Finished

    Season: Fall 2015

    Genres: Action, Comedy, Sci-Fi, Supernatural

  • One Punch Man Specials (2015)
    Ep 6

    One Punch Man Specials

    2015
    One Punch Man Specials

    13min. per ep Dec, 24 2015

    Specials included in the DVD/BD volumes of the anime. They feature original stories written by the series' mangaka, ONE The first special is titled "Shinobiyori-sugiru...

    Format: Special

    Status: Finished

    Season: Winter 2015

    Genres: Action, Comedy, Sci-Fi, Supernatural

  • One Punch Man (2015)
    Ep 12

    One Punch Man

    2015
    One Punch Man

    24min. per ep Oct, 05 2015

    The manga revolves around the titular super hero who has trained so hard that his hair has fallen out, and who can overcome any enemy...

    Format: TV

    Status: Finished

    Season: Fall 2015

    Genres: Action, Comedy, Sci-Fi, Supernatural

  • One Punch Man 2 (2019)
    Ep 12

    One Punch Man 2

    2019
    One Punch Man 2

    24min. per ep Apr, 10 2019

    Saitama is a hero who only became a hero for fun. After three years of “special training,” he’s become so strong that he’s practically invincible....

    Format: TV

    Status: Finished

    Season: Spring 2019

    Genres: Action, Comedy, Sci-Fi, Supernatural

  • Otogizoushi (2004)
    Ep 26

    Otogizoushi

    2004
    Otogizoushi

    23min. per ep Jul, 07 2004

    The year is 972 A.D. in Kyoto, the capital of ancient Japan. Kyoto is becoming a corrupt and run-down city; selfish samurai and onmyoji, who...

    Format: TV

    Status: Finished

    Season: Summer 2004

    Genres: Adventure, Drama, Fantasy, Supernatural

  • Otona no Bouguya-san (2018)
    Ep 12

    Otona no Bouguya-san

    2018
    Otona no Bouguya-san

    4min. per ep Oct, 09 2018

    This anime is set in a world of sword and sorcery. The story begins when a young villager named Kautsu comes upon a unique armor...

    Format: TV Short

    Status: Finished

    Season: Fall 2018

    Genres: Comedy, Ecchi, Fantasy

  • Otona no Bouguya-san (Rimen) (2019)
    Ep 3

    Otona no Bouguya-san (Rimen)

    2019
    Otona no Bouguya-san (Rimen)

    4min. per ep Mar, 06 2019

    Sequel to Otona no Bouguya-san.

    Format: ONA

    Status: Finished

    Season: Winter 2019

    Genres: Comedy, Ecchi, Fantasy

  • Oushitsu Kyoushi Heine (2017)
    Ep 12

    Oushitsu Kyoushi Heine

    2017
    Oushitsu Kyoushi Heine

    23min. per ep Apr, 05 2017

    Accepting the post of Royal Tutor at the court of the king of Grannzreich, Heine Wittgenstein is a little professor with a big job ahead!...

    Format: TV

    Status: Finished

    Season: Spring 2017

    Genres: Comedy, Slice Of Life

  • Oushitsu Kyoushi Heine Movie (2019)
    Ep 1

    Oushitsu Kyoushi Heine Movie

    2019
    Oushitsu Kyoushi Heine Movie

    60min. per ep Feb, 16 2019

    The four princes of the Kingdom of Granzreich are aiming to become the next king. Under the guidance of the royal tutor Heine Wittgenstein, while...

    Format: Movie

    Status: Finished

    Season: Winter 2019

    Genres: Comedy, Slice Of Life

  • Overlord: Shikkoku no Senshi (2017)
    Ep 1

    Overlord: Shikkoku no Senshi

    2017
    Overlord: Shikkoku no Senshi

    93min. per ep Mar, 11 2017

    A compilation film recapping the second half of the anime television series.

    Format: Movie

    Status: Finished

    Season: Spring 2017

    Genres: Action, Adventure, Fantasy

  • Overlord: Fushisha no Ou (2017)
    Ep 1

    Overlord: Fushisha no Ou

    2017
    Overlord: Fushisha no Ou

    105min. per ep Feb, 25 2017

    A compilation film recapping the first half of the anime television series.

    Format: Movie

    Status: Finished

    Season: Winter 2017

    Genres: Action, Adventure, Fantasy

  • Overlord: Ple Ple Pleiades - Clementine Toubou-hen (2018)
    Ep 3

    Overlord: Ple Ple Pleiades - Clementine Toubou-hen

    2018
    Overlord: Ple Ple Pleiades - Clementine Toubou-hen

    10min. per ep Nov, 23 2018

    Clementine escapes from almighty Ainz's gaze, and Albedo with the help of Aura, Mare, and a gratuitously large army of poorly-animated CG goblins must track...

    Format: ONA

    Status: Finished

    Season: Fall 2018

    Genres: Action, Comedy, Fantasy

  • Overlord: Ple Ple Pleiades 3 (2018)
    Ep 13

    Overlord: Ple Ple Pleiades 3

    2018
    Overlord: Ple Ple Pleiades 3

    2min. per ep Jul, 10 2018

    Super deformed parody shorts of Overlord III streamed on Kadokawa's official YouTube channel.

    Format: ONA

    Status: Finished

    Season: Summer 2018

    Genres: Comedy, Fantasy

  • Overlord III (2018)
    Ep 13

    Overlord III

    2018
    Overlord III

    24min. per ep Jul, 10 2018

    The third season of Overlord. With his foundations now set in this new world, the first steps of Ains Ooal Gown's master plan apparent begin...

    Format: TV

    Status: Finished

    Season: Summer 2018

    Genres: Action, Adventure, Fantasy

  • Overlord II (2018)
    Ep 13

    Overlord II

    2018
    Overlord II

    24min. per ep Jan, 09 2018

    The second season of Overlord. Continuing his quest to rule this new world, Ains begins to put the pieces in place for his conquest. But...

    Format: TV

    Status: Finished

    Season: Winter 2018

    Genres: Action, Adventure, Fantasy

  • Overlord: Ple Ple Pleiades 2 (2018)
    Ep 13

    Overlord: Ple Ple Pleiades 2

    2018
    Overlord: Ple Ple Pleiades 2

    2min. per ep Jan, 09 2018

    Super deformed parody shorts of Overlord II streamed on Kadokawa's official YouTube channel.

    Format: ONA

    Status: Finished

    Season: Winter 2018

    Genres: Action, Comedy, Fantasy

  • Overlord: Ple Ple Pleiades (2015)
    Ep 8

    Overlord: Ple Ple Pleiades

    2015
    Overlord: Ple Ple Pleiades

    4min. per ep Aug, 04 2015

    Overlord specials featuring super-deformed characters, bundled with the Blu-ray and DVD volumes of Overlord. Began airing after episode 5 of Overlord - each episode is...

    Format: Special

    Status: Finished

    Season: Summer 2015

    Genres: Action, Comedy, Fantasy

  • Overlord: Ple Ple Pleiades (OVA) (2016)
    Ep 1

    Overlord: Ple Ple Pleiades (OVA)

    2016
    Overlord: Ple Ple Pleiades (OVA)

    31min. per ep Sep, 30 2016

    Bundled with novel series' 11th volume. The new anime will feature the appearance of the Pleiades combat maids, as well as the rest of the...

    Format: OVA

    Status: Finished

    Season: Summer 2016

    Genres: Action, Comedy, Fantasy

  • Overlord (2015)
    Ep 13

    Overlord

    2015
    Overlord

    24min. per ep Jul, 07 2015

    The story takes place in the year 2138 when virtual reality gaming is booming. Yggdrasil, a popular online game is quietly shut down one day....

    Format: TV

    Status: Finished

    Season: Summer 2015

    Genres: Action, Adventure, Fantasy