Sci-Fi anime
 
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Anime name Latest episode
Oban Star-Racers Completed
Occult Academy Completed
Occultic;Nine    Completed
Occultic;Nine (Dub) Completed
Odin: Koushi Hansen Starlight    Completed
Oh! Super Milk-chan Completed
Oh! Super Milk-chan (Dub) Completed
Oira Uchuu no Tankoufu (Dub)    Completed
One Punch Man (Dub)    Completed
One Punch Man (Sub)    Completed
One Punch Man 2nd Season (Dub)    Completed
One Punch Man 2nd Season (Sub) Completed
One Punch Man 2nd Season Specials Completed
One Punch Man 2nd Season Specials (Dub) Completed
One Punch Man 2nd Season Specials (Sub)    Completed
One Punch Man Specials (Dub) Completed
One Punch Man Specials (Sub)    Completed
One Punch Man: Road to Hero (Sub)    Completed
Orange    Completed
Orange (Dub) Completed
Orange: Mirai Completed
Origin: Spirits of the Past Completed
Otaku no Video Completed
Ougon Bat    Completed
Ougon Senshi Gold Lightan Completed
Outlanders Completed
Overman King Gainer Completed
Overman King Gainer (Dub) Completed
Sci-Fi genre
 
Anime where the setting is based on the technology and tools of a scientifically imaginable world. The majority of technologies presented are not available in the present day and therefore the Science is Fiction. This incorporates any possible place (planets, space, underwater, you name it).