TV series
Seth is a boy who seeks to become a great magician, and a group of witches who seek to travel to the Radiant. Radiant is a mythical land that spawns monsters called "Néméses" which fall to the world from the sky. While traveling, they are also hunted by The Inquisition.
Streaming, rental and purchase options
Checked Jul 22, 2026
RADIANT is available to stream on Crunchyroll Premium (Via Amazon Prime) in United States. You can also rent or buy it from Google Play and Apple TV. Use the direct links below to open the provider.
Seth is a boy who seeks to become a great magician, and a group of witches who seek to travel to the Radiant. Radiant is a mythical land that spawns monsters called "Néméses" which fall to the world from the sky. While traveling, they are also hunted by The Inquisition.
Choose an episode, then use the watch options above for the show.
Episode 1
Seth, a young boy living in the peaceful Pompo Hills, trains daily to become a great wizard and go hunting for the Nemesis, the monsters that terrorize humanity. He does not know it yet, but the adventure is about to ring at his door.
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Episode 2
Following the fall of a Nemesis egg on the Pompo Hills, Seth decides to protect the villagers in the absence of Alma. While the creature is about to defeat him, the young wizard is saved by a strange foursome ...
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Episode 3
Alma is convinced that normal humans and wizards will never be able to understand each other. After repeating it again to Seth, she remembers their meeting ...
Written by Yasuko Aoki
Episode 4
Seth left the Alma Observatory to search for the Radiant. On the way to Artemis, the city of witches, he is captured by a patrol of inquisitors.
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Episode 5
Seth arrived at the Artemis Institute, the city of sorcerers. He must find the Yaga wizard to get information about the Radiant, but a yellow cat might make it difficult for him...
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Episode 6
Artemis was released from an Inquisition strike by Master Lord Majesty. Seth hurried to prove to the heir to the sorcerer Yaga affine that heaven accepts you as a disciple.
Written by Yasuko Aoki
Episode 7
On a quiet afternoon, Doc is taken to the sewers of the Artemis Institute by a mysterious creature. With Melie's help, Seth goes to the depths of the city to save his friend.
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Episode 8
As part of his training with the sorcerer Yaga, Seth finds himself banned from using magic. That's when the Bravery Quartet decides to attack Artemis! Deprived of his powers, can Seth protect the city?
Written by Yasuko Aoki
Episode 9
The days are similar and similar to Captain Dragunov and his crew, stationed in a peaceful area. However, a distress call sent by another crew of inquisitors will change this monotonous daily.
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Episode 10
Master Lord Majesty organizes a festival within Artemis, and the party is in full swing. Seth then meets Nick, a young wizard who is slandering Alma. To defend the honor of his adoptive mother, Seth will have to beat him at the broomsticks race of the festival!
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Episode 11
In order to settle their debts, Seth and his friends agree to investigate a series of disappearances caused by a nemesis in the town of Rumble Town. Caution should be used, because the nemesis may not be the only dangers in the shadows of alleys ...
Written by Yasuko Aoki
Episode 12
After escaping the wizard Grimm, Seth and his friends visit the Zehd family, who asked them to investigate the nemesis raging in Rumble Town. The hunt for nemesis continues in the alleys of the industrial city!
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Episode 13
Bringing the responsibility of recent events to wizards and immigrants, Captain Konrad heats the people of his city to white and encourages him to hunt them down. That said, it seems that the reality is quite different, and one begins to wonder if Konrad does not hide a terrible secret ...
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Episode 14
Grimm's latest attack defeated Doc's courage in announcing his intention to withdraw from Rumble Town's nemesis investigation. Meanwhile, the inquisitor Konrad de Marburg assembles the citizens against the wizards and immigrants of the city.
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Episode 15
The inquisitor Captain Konrad de Marburg is defeated, but Rumble Town is still threatened by the witch Hameline, blinded by vengeance. More than ever, the survival of the city rests on the shoulders of Seth and his companions.
Written by Yasuko Aoki
Episode 16
To prevent Hameline from destroying the islet of Rumble Town, Seth and his friends will have to cooperate with Grimm, the mysterious character covered with bandages ...
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Episode 17
The hour of the confrontation between Hameline and Seth rang! Will the young wizard succeed in convincing his opponent to renounce revenge before it is too late?
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Episode 18
Thaumaturgians arrive at Rumble Town to capture Seth! After seeing General Torque defeat Hameline, Seth loses control of himself and unleashes his destructive power ...
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Episode 19
Rumble Town is saved, and all Sorcerers of Artemis consider Seth a real hero. However, the latter does not forgive himself for not having been able to save Hameline...
Written by Yasuko Aoki
Episode 20
Following the Rumble Town incident, the Inquisition tries to regain the trust of the people. Meanwhile, Seth and his friends are suffering from the shortage of coffee beans at Artemis...
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Episode 21
To continue his search for the Radiant, Yaga advises Seth to visit Caislean Merlin, the capital of Cyfandir. But suddenly, Artemis is attacked by a real army of nemesis.
Where to watch RADIANTEpisode information updated Jul 22, 2026
Yumiri HanamoriSeth (voice)
Aoi YuukiMélie (voice)
Ayane SakuraLieselotte (voice)
Hiroyuki YoshinoYaga (voice)
Kappei YamaguchiMaster Lord Majesty (voice)
Kenichi OgataSantori (voice)
Kenta MiyakeTork (voice)
Koji YusaDragunov (voice)
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