RADIANT_
Original: ラディアン
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.
Created By
Tony Valente
Network
NHK Educational TV
Episodes
42
Updated Feb 16, 2026
WHERE TO WATCH
Crunchyroll
FREE
27 countries
Disney+
13 countries
Hulu
1 country
Anime Times Amazon Channel
1 country
dAnime Amazon Channel
1 country
Prime Video
FREE
1 country
DROPTHE_ GOSSIP
Overview
RADIANT has 2 seasons with 42 episodes spanning 2018-2020.
Rating
RADIANT holds a 7.2/10 rating based on 123 votes.
Year context
RADIANT first aired 8 years ago in 2018.
CAST (9)
Yumiri Hanamori
Seth (voice)
Aoi Yuuki
Mélie (voice)
Koji Yusa
Dragunov (voice)
Makoto Koichi
Mister Bobley (voice)
Shintaro Ohata
Doc (voice)
Takehito Koyasu
Grim (voice)
Show Hayami
Narration (voice)
Mai Fuchigami
Ocoho (voice)
Bin Shimada
Myr (voice)
SEASONS (2 seasons, 42 episodes)
SEASON 1
01
The Young Sorcerer -Seth-
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…
02
True Courage -Bravery-
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…
03
Day of Departure -Alma-
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…
04
A Meeting in the Sky -Encounter-
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…
05
A Paradise of Wisdom and Hope -Artemis-
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…
06
Drops of Friendship -Melie-
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…
07
The Sewer Dweller -Monster-
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…
08
Proof of Strength -Progress-
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!…
09
Those Who Hunt Heretics -Inquisition-
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…
10
Broom of Memories -Memory-
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…
11
The City That Roars Like Thunder -Rumble Town-
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…
12
The Shadow Lurking in the City -Darkness-
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…
13
Overture of Turbulence -Storm-
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…
14
The Bell Tolls the Sound of Destruction -Catastrophe-
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…
15
With Fists Like Shooting Stars -Burst-
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…
16
Fly High and Pierce Through the Storm -Rising-
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…
17
To Stop the Sound of the Wind -Serenade-
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…
18
The Light That Follows the Darkness -Awakening-
Thaumaturgians arrive at Rumble Town to capture Seth! After seeing General Torque defeat Hameline, Seth loses control of himself and unleashes his destructive power ...
19
The World That You Changed -Relief-
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…
20
Omen -Sign-
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…
21
In Search of the Future -Utopia-
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…
SEASON 2
01
Toward a New Adventure -Overture-
Seth returns with Alma before leaving for the city of Caislean Merlin, capital of the sorcerer knights to find the answers he needs. Meanwhile, Captain…
02
An Encounter in the Rain -Mist-
Seth sets out for the capital but gets intercepted by a Merchant-Baron airship. Seth barely escapes thanks to Grimm, and successfully reaches the capital where…
03
The City of Knights -Caislean Merlin-
After attempting to enter the castle's archives, Seth gets kicked out! Seth is later introduced to Ocoho and joins her in battle.
04
The Bringer of Calamity -Dullahan-
Seth and Ocoho face off against a powerful Spectral Nemesis band while attempting to protect a small farm from destruction.
05
Silent Rain, Distant Hearts -Rain-
Seth tracks down Melie and Doc at the Luchorpan Inn, and attempts to make amends with them.
06
His Name Is -Diabal-
Guided by a reocurring dream, Seth attempts to sneak into the archives at Caislean Merlin. Here, he learns a dark truth about the origins of…
07
The Spectre Battle -Spectre-
Seth hangs on for dear life as he attempts to escape the Diabal’s grasp. Meanwhile, Grimm is badly wounded in an altercation.
08
Seth in the Forest of Time -Caillte-
Seriously wounded after his clash with Diabal, Seth is collected by Myr. Meanwhile, Melie, Ocoho and Doc set off in search of the young wizard.…
09
The Palace of Schemes -Palace-
In order to master the power within him, Seth decides to stay in the Caillte forest to train with Myr. Meanwhile, Melie and Ocoho are…
10
The Qualifications of a Knight -Quality-
As Seth continues his training with Myr, the Witch-Knights face a nemesis threatening the people of Cyfandir. Despite the presence of the gallant Lord Gulis,…
11
Now, Feel the World -Resonance-
After rescuing villagers from a nemesis, Ocoho and Melie return to Caislean Merlin. Meanwhile, Seth completes his training with Myr and learns more about the…
12
The Truth Is Like a Curse -Ocoho-
Peace has reigned in Caislean Merlin for some time. However, Lord Brangoire behaves suspiciously and seems to be watching Ocoho and his friends closely.
13
Your Decision -Knighthood
Liselotte and Dragunov meet Baron Doussant, who tells them of his terrible intentions. Ocoho, meanwhile, leaves to ask Mordred for an explanation about his condition…
14
The Final Battlefield -Battlefield-
The Inquisition begins the invasion. Queen Boudica swears to resist until the end. Meanwhile, Seth infiltrates the castle and questions Diabal about his origins. Then…
15
Led to the Abyss by a Melody of Death -Harmonizium-
The war between Cyfandir and the Inquisition is raging, and the anti-Fantasia device pushes the Knights-Wizards to their last entrenchments. In the basement of Caislean…
16
The Light of Life is Extinguished -Tragedy-
On the Barons-Merchant ship, Baron Doussant reveals to Ocoho his objective behind the Cyfandir invasion. On the ground, Lord Brangoire and Queen Boadicea struggled as…
17
The Black Dragon Descends -Pen Draig-
Queen Boadicea was captured by the Inquisition, and the plight of the Sorcerer Sorcerers appears hopeless. Meanwhile, Seth and Mélie are struggling with the miracle…
18
The Will of the People Shines Bright -Resistance-
Doc bursts into battle in mysterious armor and faces Verona, the young Thaumaturge. Meanwhile, Seth fights mercilessly against Colonel Santori.
19
I Can't Hear Your Voice -Myrddin-
Seth defeated Thaumaturge Santori in a fierce battle, and Ocoho finally cornered Baron-Marchand Doussant on his own ship. Cyfandir seems to be on the verge…
20
A Bouquet of Flowers for This Land -Fantasia-
Devastated by Jill's death, Myr is determined to eradicate humanity in Cyfandir. Seth also gives up on the rage, as affected by the despair of…
21
The Future is With You -Eternity-
The kingdom of Cyfandir emerged victorious from its war against the Inquisition, but not unscathed. However, the appointment of a new sovereign may well bring…
SERIES INFO
2
Seasons
42
Episodes
25 min/ep
Per Episode
Ended
Status
CREW
Creator
Tony Valente
NETWORKS (1)
NHK Educational TV
DETAILS
FREQUENTLY ASKED QUESTIONS
What is RADIANT about?
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.
Where can I watch RADIANT?
RADIANT is available on Crunchyroll, Disney+, Hulu, Anime Times Amazon Channel, dAnime Amazon Channel. Availability varies by region.
How many seasons does RADIANT have?
RADIANT has 2 seasons with 42 episodes total.
Who created RADIANT?
RADIANT was created by Tony Valente.
Who stars in RADIANT?
The cast of RADIANT includes Yumiri Hanamori, Aoi Yuuki, Koji Yusa, Makoto Koichi, Shintaro Ohata.
What is the rating of RADIANT?
RADIANT has a rating of 7.2 out of 10 based on 123 votes on TMDB.
Is RADIANT still running?
RADIANT has ended. The final episode aired on .
GENRES (4)
Action & Adventure
Animation
Comedy
Sci-Fi & Fantasy
