SNOWBALL EARTH

TV Airing 2026

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"Yukio... I'm going to make a friend." A shy boy named Tetsuo. The only thing he had was a giant robot named Yukio. They became "saviors" in the fight against the galactic monsters coming from outer space. After the final battle, Tetsuo returns to Earth for the first time in ten years and witnesses an astonishing world. It's a frozen Earth (named Snowball Earth), where the entire land is covered in snow and ice, being turned into a deadly world! What happened to the human race? And will Tetsuo be able to fulfill the promise he made to Yukio?

Studio: Studio KAI
Episodes: 13 listed
Runtime: about 23 minutes per episode
Genres: Action, Mecha, Sci-Fi

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Characters & voices

Meet the characters and their Japanese voice actors.

Tetsuo Yabusame

Tetsuo YabusameMain character

Takuto Yoshinaga

Takuto YoshinagaJapanese voice

Yukio

YukioMain character

Daisuke Hirakawa

Daisuke HirakawaJapanese voice

Ao Nogi

Ao NogiSupporting character

Ami Koshimizu

Ami KoshimizuJapanese voice

Hagane Takimura

Hagane TakimuraSupporting character

Konomi Tamura

Konomi TamuraJapanese voice

Tamiya Sakurai

Tamiya SakuraiSupporting character

Tomohiro Oono

Tomohiro OonoJapanese voice

Yuma Uzuki

Yuma UzukiSupporting character

Manami Narahira

Manami NarahiraJapanese voice

Isseki Sagami

Isseki SagamiSupporting character

Tomokazu Sugita

Tomokazu SugitaJapanese voice

Riko Akagi

Riko AkagiSupporting character

Maki Kawase

Maki KawaseJapanese voice

Nadare

NadareSupporting character

Rika Kinugawa

Rika KinugawaJapanese voice

Makoto Saionji

Makoto SaionjiSupporting character

Chitose Morinaga

Chitose MorinagaJapanese voice

Nayuta Izumi

Nayuta IzumiSupporting character

Kengo Kawanishi

Kengo KawanishiJapanese voice

Otoichi Kinoe

Otoichi KinoeSupporting character

Anna Nagase

Anna NagaseJapanese voice

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