TV series
Three months have passed since the Demon Lord was struck down, and the Demon Realm is holding a tournament to select his replacement. The leading contestant is Helck, a human hero who claims to hate his own kind. Some aren't happy with the idea of a human becoming the next Demon Lord—especially Vermilio the Red. She wants nothing more than to protect demonkind and prove Helck to be their enemy, even if she has to rig the competition to do it!
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Checked Jul 22, 2026
Three months have passed since the Demon Lord was struck down, and the Demon Realm is holding a tournament to select his replacement. The leading contestant is Helck, a human hero who claims to hate his own kind. Some aren't happy with the idea of a human becoming the next Demon Lord—especially Vermilio the Red. She wants nothing more than to protect demonkind and prove Helck to be their enemy, even if she has to rig the competition to do it!
Cast, crew and production details
Katsuyuki KonishiHelck (voice)
Mikako KomatsuVermilio (voice)
Yoshitsugu MatsuokaAzudra (voice)
Shiori IzawaPiwi (voice)
Shuichi IkedaNarrator (voice)
Akira IshidaHon (voice)
Shiki AokiAsta (voice)
Haruka ShiraishiIsta (voice)
Nippon TVJapan
SATELIGHTJapanWatch options above are for the show and may vary by season or episode.
Episode 1
The Demon Lord is defeated by a human hero. To find his replacement, the demonkin hold a competition. Helck, a human and mortal enemy, is among the participants.
Directed by Naomichi YamatoWritten by Toshizo NemotoGuest stars Akira Ishida, Shiki Aoki, Haruka Shiraishi, Sora Tokui, Hiroyuki Yoshino, Rena Maeda, Chiharu Sawashiro, Katsuyuki Miura
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Episode 2
Helck continues to rack up victories as a fan favorite of the crowd. He then proceeds on to the semifinal race! Will he be able to keep up with the other racers?
Directed by Takaaki IshiyamaWritten by Toshizo NemotoGuest stars Akira Ishida, Haruka Shiraishi, Sora Tokui, Hiroyuki Yoshino, Rena Maeda, Takuya Nakashima, Chiharu Sawashiro, Daisuke Renba
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Episode 3
Helck displays mind-blowing strength and leaves Vermilio increasingly concerned about the threat he poses.
Directed by Masayuki IimuraWritten by Toshizo NemotoGuest stars Akira Ishida, Shiki Aoki, Haruka Shiraishi, Sora Tokui, Hiroyuki Yoshino, Rena Maeda, Takuya Nakashima, Ryota Iwasaki
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Episode 4
After Helck blocks an attack meant for Edil, Vermilio becomes convinced that he is an enemy. But then, the floor gives away and everyone falls into a dark underground room...
Directed by Makoto SokuzaWritten by Toshizo NemotoGuest stars Akira Ishida, Haruka Shiraishi, Hiroyuki Yoshino, Rena Maeda, Takuya Nakashima, Hiroki Nanami, Daisuke Renba, Sho Kagami
Where to watch Helck
Episode 5
The mysterious power of the gate sends Vermilio and Helck to an unknown remote island. Vermilio travels deeper into the island and comes across a fluffy creature.
Directed by Yasuyuki FuseWritten by Toshizo NemotoGuest stars Akira Ishida, Shiki Aoki, Haruka Shiraishi, Hiroki Matsukawa, Ryunosuke Yamaguchi, Masaki Miyamoto, Yoshihisa Hosokawa, Natsuki Yamashita
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Episode 6
Vermilio poses a question to Helck: “Can you fight against your old friends?” Meanwhile, the others at Castle Urum are fighting an overwhelming number of winged knights.
Directed by Masayuki IimuraWritten by Toshizo NemotoGuest stars Akira Ishida, Haruka Shiraishi, Hiroyuki Yoshino, Takuya Nakashima, Reina Kondo, Shuta Morishima, Satoshi Niwa, Hiroki Matsukawa
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Episode 7
Hyura and the others escape Castle Urum but soon find themselves surrounded again. Azudra arrives to subdue the winged knights. All the while, Azudra begins plotting.
Directed by Satoshi OsedoWritten by Mitsutaka HirotaGuest stars Akira Ishida, Shiki Aoki, Haruka Shiraishi, Sora Tokui, Hiroyuki Yoshino, Rena Maeda, Takuya Nakashima, Reina Kondo
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Episode 8
Azudra determines the winged knights are a major threat. Meanwhile, Helck and Vermilio take it easy.
Directed by Toru HamasakiWritten by Mitsutaka HirotaGuest stars Yukana, Hiroki Matsukawa, Ryunosuke Yamaguchi, Sakura Misaka, Daisuke Renba, Yoshihisa Hosokawa
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Episode 9
Helck and Vermilio bid farewell to the mysterious island and its residents as they sail away with a stowaway Piwi aboard. However, they run into a massive whirlpool!
Directed by Yasuyuki FuseWritten by Mitsutaka HirotaGuest stars Hiroya Egashira, Ayaka Asai, Shunichi Maki, Kousuke Okamoto, Masaki Miyamoto, Daisuke Renba
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Episode 10
Helck and company end up in the Erille Kingdom where they must fight the barbarians of the Tothman Tribe. The Tothman King goes berserk after tapping into a mysterious power.
Directed by Masayuki IimuraWritten by Toshizo NemotoGuest stars Aimi, Hiroya Egashira, Ayaka Asai, Shunichi Maki, Kousuke Okamoto, Masaki Miyamoto, Taiki Yamashita, Gakuto Kajiwara
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Episode 11
Helck and company use their winnings from the cooking competition to buy a map leading to the Empire. They make plans to go northwest into the ruins of two destroyed kingdoms.
Directed by Ken MoritaWritten by Toshizo NemotoGuest stars Aimi, Junya Enoki, Taiki Yamashita, Yusuke Shibata
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Episode 12
Vermilio is frightened by Helck's power as he goes berserk during his battle with Augis. It makes her recall the words of the Great Witch, who warned her about Helck.
Directed by Tsuyoshi YoshimotoWritten by Toshizo NemotoGuest stars Akira Ishida, Shiki Aoki, Haruka Shiraishi, Sora Tokui, Hiroyuki Yoshino, Rena Maeda, Chiharu Sawashiro, Hiroki Nanami
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Episode 13
When they were little, Helck and his younger brother Cless lost both of their parents. One day, Cless gets very sick and Helck begs for someone to save him.
Directed by Yasuyuki FuseWritten by Mitsutaka HirotaGuest stars Motoharu Ono, Yumiri Hanamori, Atsushi Miyauchi, Shuta Morishima, Satoshi Niwa, Sara Matsumoto, Minori Suzuki, Fumika Igarashi
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Episode 14
Only half a month after Cless departs on his expedition, monsters begin to appear in greater numbers than ever before. The kingdom enacts a military draft to combat them.
Directed by Toru HamasakiWritten by Mitsutaka HirotaGuest stars Motoharu Ono, Yumiri Hanamori, Atsushi Miyauchi, Daisuke Hirakawa, Reina Kondo, Hiroki Nanami, Shuta Morishima, Tomokazu Sugita
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Episode 15
Helck arrives at the Demon Lord’s castle and senses a powerful presence. It turns out to be Azudra of the Four Elite Lords, who makes a plea for peace.
Directed by Ken MoritaWritten by Mitsutaka HirotaGuest stars Atsushi Miyauchi, Reina Kondo, Hiroki Nanami, Shuta Morishima, Chado Horii, Seiji Maeda, Fumiyoshi Shioya, Chiaki Kobayashi
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Episode 16
Zeruzeon reveals the kingdom’s terrifying plan, so Helck and his friends sneak into the castle to put a stop to it by saving Cless.
Directed by Makoto SokuzaWritten by Mitsutaka HirotaGuest stars Motoharu Ono, Daisuke Hirakawa, Reina Kondo, Hiroki Nanami, Shuta Morishima, Tomokazu Sugita, Kurita Kei, Volcano Ota
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Episode 17
Helck is on the verge of being killed. To save the life of his big brother, Cless is forced to make a choice.
Directed by Masayuki IimuraWritten by Mitsutaka HirotaGuest stars Motoharu Ono, Daisuke Hirakawa, Reina Kondo, Hiroki Nanami, Shuta Morishima, Tomokazu Sugita, Chado Horii, Seiji Maeda
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Episode 18
Helck charges onward but an army of bounty hunters stands between him and Alicia. She is in horrible shape as she faces public execution.
Directed by So ToyamaWritten by Mitsutaka HirotaGuest stars Atsushi Miyauchi, Reina Kondo, Hiroki Nanami, Shuta Morishima, Satoshi Niwa, Jun Kasama, Chado Horii, Seiji Maeda
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Episode 19
Helck's motivations become clear with an awakening of a horrific truth. Vermilio vows to fight by Helck’s side.
Directed by Yasuyuki FuseWritten by Toshizo NemotoGuest stars Akira Ishida, Hiroyuki Yoshino, Atsushi Miyauchi, Daisuke Hirakawa, Shuta Morishima, Yuki Nakashima, Hinata Tadokoro, Senki Arai
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Episode 20
The winged knights continue attacking Castle Thor to level themselves up further. Meanwhile, Asta keeps snooping for information in the human realm.
Directed by Ryoji TanakaWritten by Toshizo NemotoGuest stars Akira Ishida, Shiki Aoki, Haruka Shiraishi, Hiroyuki Yoshino, Rena Maeda, Chiharu Sawashiro, Yumiri Hanamori, Reina Kondo
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Episode 21
Zeruzeon leads the winged knights in an assault on the newly rebuilt castle. Humans and demons become locked in combat.
Directed by Tsuyoshi YoshimotoWritten by Toshizo NemotoGuest stars Sora Tokui, Hiroyuki Yoshino, Rena Maeda, Takuya Nakashima, Chiharu Sawashiro, Shinshu Fuji, Daisuke Hirakawa, Hiroki Nanami
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Episode 22
Hyura and Edil battle it out at Castle Thor while a strange relationship starts between them. Meanwhile, Mikaros is confronted by Azudra and reveals a past grudge.
Directed by Kosuke ShimotoriWritten by Toshizo NemotoGuest stars Akira Ishida, Shiki Aoki, Haruka Shiraishi, Hiroyuki Yoshino, Rena Maeda, Yumiri Hanamori, Atsushi Miyauchi, Daisuke Hirakawa
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Episode 23
Raphaed’s army attacks a demonkin outpost, when Helck and Vermilio arrive. Raphaed determines Vermilio is Helck's newfound source of support.
Directed by Yasuyuki FuseWritten by Toshizo NemotoGuest stars Atsushi Miyauchi, Daisuke Hirakawa, Ryota Iwasaki, Yuki Nakashima, Ryota Suzuki, Ruriko Aoki, Yusuke Tonozaki, Daisuke Renba
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Episode 24
Helck faces off with his former friend, Alicia. Meanwhile, Vermilio can't help but be concerned about Helck as she continues to fight with Raphaed.
Directed by So ToyamaWritten by Toshizo NemotoGuest stars Akira Ishida, Shiki Aoki, Haruka Shiraishi, Sora Tokui, Hiroyuki Yoshino, Rena Maeda, Yukana, Atsushi Miyauchi
Where to watch HelckEpisode information updated Jul 22, 2026
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