Season 1
(2019)
Cast
as Natsu Iwashimizu (voice)
as Arashi Aota (voice)
as Semimaru Asai (voice)
as Matsuri Tendou (voice)
as Kaname Mozunoto (voice)
as Chimaki Yamori (voice)
as Hana Suguruno (voice)
as Haru Yukima (voice)
as Fujiko Amacha (voice)
as Akio Haza (voice)
Episodes
Spring Begins 8.2
June 28, 2019
Along with three others, Natsu wakes up with no idea what's happened. The four of them reach an island and try to figur…
Insects Awaken 8.0
June 28, 2019
Convinced that Botan has kidnapped them, Natsu and Arashi sneak out of camp and run into another survivor. Finally, Bot…
Light Snow 7.0
June 28, 2019
Natsu's clumsiness indirectly leads Team Summer B to the rest of their group. Her memories help them figure out their l…
Autumn Begins 7.3
June 28, 2019
Arashi, Natsu and Semimaru stumble upon the Team Autumn settlement in the former Kobe region. They seem to be thriving,…
Heavy Snow 7.3
June 28, 2019
In the ruins of Tokyo, Natsu, Arashi and Semimaru meet the sole survivor of Team Winter. Team Spring reaches Mt. Ogino …
Grain Rain 7.5
June 28, 2019
Aramaki joins Team Spring, despite Fujiko's doubts. Hana decides to search for Arashi after hearing that Aramaki met so…
Winter Solstice 7.3
June 28, 2019
Hana and her companions discover a massive underground shelter. They find a survivor’s diary and learn the cruel fate o…
Summer Solstice 7.3
June 28, 2019
Hana's group and the Team Autumn survivors find the Spring settlement destroyed and abandoned. Momotaro wakes up among …
Lesser Heat 6.7
June 28, 2019
To survive, Hana and the others work together with Team Summer A. On the ship, Hotaru's cousin Hibari tells Natsu that …
Cold Dew 7.0
June 28, 2019
Ango recalls his harsh upbringing in the program and the brutal graduation test that winnowed the survivors down to the…
Greater Heat 7.3
June 28, 2019
Hana becomes convinced that Ango will kill her if she stays in the village. Natsu and the others make landfall near the…
End of Heat 7.7
June 28, 2019
Ryo orders Hana to join him in searching for a water source underground, putting her in a vulnerable position. In the c…
Frost Descends 7.0
March 26, 2020
Team Summer A banishes Ango and Ryo as Haru and the others mourn the missing Hana. Aramaki leaves the settlement believ…
Summer Begins 6.0
March 26, 2020
Expecting a trap, Ango and Ryo find and observe Team Summer B, but they are unexpectedly welcomed by the easygoing grou…
Grain in Ear 6.0
March 26, 2020
The two newcomers help Team Summer B. As they get to know the group, Ryo doubts their ability to survive. Ango begins t…
Autumnal Equinox 7.0
March 26, 2020
The carefree group enjoys life at sea, but Ryo tests their survival skills. Natsu reveals that Team Summer B is for dro…
Vernal Equinox 6.0
March 26, 2020
Suspicious, Botan searches Ryo and Ango's belongings while the others look for Arashi. Elsewhere, another survivor lear…
White Dew 6.0
March 26, 2020
Team Summer B gets stuck in a bed of dense algae. they find a large ship and investigate, but Botan is wary. Stranded, …
Winter Begins 6.0
March 26, 2020
The team members are separated after the ship's sudden movement. Arashi makes his way to help as Botan's group makes a …
Lesser Cold 6.0
March 26, 2020
Ango's hallucinations lead to perilous situations for him and Arashi. Semimaru has a brush with death while Natsu gathe…
Grain Full 7.0
March 26, 2020
A sanctuary in nature becomes a trap for small mammals and humans alike. Meanwhile, an iron-eating bacteria begins to s…
Rain Water 7.0
March 26, 2020
Fujiko and Chisa reunite with Hana. On the ship, the missiles begin launch prep while Team Summer B learns about Ango's…
Greater Cold 8.0
March 26, 2020
Hana readjusts to other humans. Team Summer B works together to manually disable the missiles, but a series of passcode…
Pure Brightness 7.0
March 26, 2020
Problems persist in the ship as the spreading bacteria begins attacking. The missile countdown continues as the team ma…