is a Japanese manga series written by Kà Âichi Yamano and drawn by Takashi Ina that was serialized in Shà Ânen Gahà Âsha's Weekly Shà Ânen King, as well as an anime series also written by Yamano.
After the catastrophe that destroyed their continent, the inhabitants of Mu have adapted to living in the ocean, in cities covered by huge domes. Many years later, the inhabitants become psychic.
During an annual battle held to determine who is the best Mu psychic, Osper, a boy with a strong sense of justice, battles Drome, an older, brutish boy who is vengeful and evil. Osper wins the battle and after being defeated, Drome destroys the dome in revenge and escapes to Earth. Osper is sent to chase Drome and avenge his people. Above ground, Osper meets Yumi Kaizu, the daughter of the head of a police special forces unit, the International Crusader Police (å½éÂÂÃ¥ÂÂÃ¥ÂÂè¦å¯Â, Kokusai Jà «ji Keisatsu). With the collaboration of Kaizu, who brought Osper into her unit, Osper follows the tracks of Drome to locate him.
Strange incidents occur on Earth, but on a scale never seen before. As it is revealed that Drome was the one who was involved in all of these incidents, Osper fights him and solves each cases, whereas Drome flees every time.
After being cornered, Drome activates the ultimate weapon to destroy the Earth, and engages Osper on the place be prepared for a final battle. After a fierce battle, Osper is victorious and Drome admits defeat to him by saying, "All the bad things I've done so far are due to the fact that I was not able to defeat you and win". In his final hours, he notifies Osper of the location of the ultimate weapon. Osper immediately stops the ultimate weapon from operating, which allows both Drome and Osper to return to their home world under the sea. Chief Kaizu, who learned of Osper's return, reads a letter left by Osper for Yumi, which states "The next time I meet you, I want to be a ordinary person".
The series was broadcast on NTV from December 14, 1965, to October 31, 1967. Of these, the episodes ran from December 13, 1966, to October 24, 1967, were actually reruns of the previous episodes. An amount of 52 episodes were produced.
Until December 28, 1965, the series was initially aired every Tuesday from 18:15 to 18:45 (Japan Standard Time) but starting from January 4, 1966, it was broadcast every Tuesday from 18:00 to 18:30. In the first half of the broadcast, the program was broadcast without a specific sponsor, but in the second half of the broadcast with was provided by a cooperative dairy company, which also sponsored in rebroadcasts until the middle of the broadcast. Later, it was sponsored by , a cosmetic manufacturer.
It was NTV's first anime to have broadcast in the network. However, it has never been released on home video and is rarely featured in retrospective programs. In addition, the whereabouts of film masters for all episodes of the series were unknown until 2022 as Nihon Terebi Dà Âga had dissolved. The opening of Fight! Osper was included in the anime theme compilation Mania Aizo Han Natsukashi ãÂÂTV Anime Tema Collection(ãÂÂãÂÂã¢æÂÂèµç æÂÂãÂÂãÂÂãÂÂãÂÂTVã¢ãÂÂã¡ãÂÂã¼ãÂÂã³ã‹¯ã·ã§ã³, Maniac's Treasured Edition Nostalgia: TV Anime Theme Collection) released on VHS and laserdisc by Hummingbird.
As of 2025, 2 episodes were found and subsequently restored by the efforts of a crowd fund on Camp Fire. The episode, "Fight! Horde of Osper Poisonous Moths" (æ¦ãÂÂï¼Âãªã¹ãÂÂã¼æ¯Âè¾ã®大群) was found in an abandoned warehouse and given a limited release on DVD. Due to the fragility of the film itself, the film was shown only once at the Tokyo Cine Center in late 2022. As of 2023, a copy of the DVD is now on view to the public at the National Diet, The second surviving episode, "Drome's Last Stand" (ãÂÂãÂÂã¡ã®ãÂÂãÂÂãÂÂã®æ¦ãÂÂ) was rediscovered in 2025 and is planned to screened alongside other surviving episodes from other shows by Nihon Terebi Dà Âga on December 14.
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