8.7/103 votes#1 - The First Wave
Season 1 Episode 1 - Aired 7/8/2023
There has been a worldwide outbreak of kaiju disasters, and now a 50-meter-class space kaiju has appeared. Gento Hiruma leads a special unit to stop the advance of the kaiju, but they get stuck in a desperate situation. Gento rushes to save his men, but that's when the Blazar Brace appears on his left arm. Led by the light, Gento transforms into Ultraman!
Director: Kiyotaka Taguchi
Writer: Keigo Koyanagi
7.6/105 votes#2 - The Dark Coliseum
Season 3 Episode 1 - Aired 10/6/2023
Seeking to reunite the scattered inhabitants of Lurolona Village who were sold into slavery, the Shield Hero and his party head to Zeltoble to secretly compete in the underground fights at the coliseum.
Director: Hitoshi Haga
Writer: Keigo Koyanagi
7.5/102 votes#3 - First Snow, Dreams, Color of Tears
Season 1 Episode 5 - Aired 12/23/2017
Haruki has not come to school for a few days and everyone is starting to get worried. Miou is determined to finish her “painting of love” and talk to Haruki about an unfortunate event that happened in the past. “I’ll wait as long as it takes” she says, as the first snow of the season begins to fall.
Director: Yasuo Ejima
Writer: Keigo Koyanagi
7.1/109 votes#4 - Reason to Fight
Season 2 Episode 12 - Aired 6/22/2022
The Wave appears before its scheduled time. Kizuna's group is teleported to it while Naofumi and his party head for Kyo's lab on Ethnobalt's ship. There, they see the true depths of Kyo's wickedness...
Director: Daigo Yamagishi
Writer: Keigo Koyanagi
7.0/101 votes#5 - Yottsun's Drowning
Season 1 Episode 4 - Aired 4/22/2016
The tour is now divided into two camps: those who wish to stay and those who wish to leave. As the former decide their course of action to secure their safety, the latter heads back down the mountain. Will they manage to leave?
Director: Tsutomu Mizushima
Writer: Keigo Koyanagi
7.0/101 votes#6 - Visit Nanaki Before Doubting Masaki
Season 1 Episode 8 - Aired 5/20/2016
Captured by the group, Masaki reluctantly begins telling her story and what her connection is to the Village. But not everyone trusts her words...
Director: Tsutomu Mizushima
Writer: Keigo Koyanagi
7.0/1013 votes#7 - The Shield Hero
Season 1 Episode 1 - Aired 1/9/2019
College student Iwatani Naofumi is reading a book titled "The Records of the Four Cardinal Weapons" in the library when he is suddenly summoned to another world and told he has to save the world as the Shield Hero, one of the Four Cardinal Heroes. And one morning, he finds all his money and equipment gone.
Director: Hitoshi Haga
Writer: Keigo Koyanagi
7.0/107 votes#8 - Racing to Catch Up
Season 2 Episode 6 - Aired 5/11/2022
Fitoria appears when the Spirit Tortoise revives, and with her help, Naofumi attempts to destroy its heart and cut off its head at the same time. L’Arc arrives as well, but all of them are helpless before Kyo’s overwhelming power.
Director: Takuma Suzuki
Writer: Keigo Koyanagi
7.0/101 votes#9 - Wait's Over, Isami!
Season 1 Episode 1 - Aired 1/11/2024
The nations of the world are taking part in joint military exercises when a devastating attack is suddenly unleashed on the world from outer space.
Director: Katsuya Shigehara
Writer: Keigo Koyanagi
6.9/109 votes#10 - Kizuna
Season 2 Episode 11 - Aired 6/15/2022
Naofumi's party is overjoyed to be reunited with Raphtalia. Kizuna criticizes Glass for invading another world. Glass and L'Arc swear they won't fight Naofumi anymore, and instead find another way to solve their problem. Meanwhile, Kyo's plot proceeds.
Director: Yang Jung-hee
Writer: Keigo Koyanagi
6.7/107 votes#11 - Shaking Land
Season 2 Episode 3 - Aired 4/20/2022
The Spirit Tortoise begins its march once more, appearing at the border of the kingdom bearing its name. Naofumi volunteers to lure away its familiars while the army tries to bring it to the mountains. The Spirit Tortoise’s familiar, Ost, fights alongside the humans…
Director: Tomonori Mine
Writer: Keigo Koyanagi
6.7/107 votes#12 - A Parting in the Snow
Season 2 Episode 8 - Aired 5/25/2022
Naofumi’s party heads for the Dragon Hourglass of Mikakage, in order to get to Sikul, the country that summoned Kizuna. Along the way, he sells rare healing items to make a hefty profit. He hears a rumor about a genius mage…
Director: Kim Min-sun
Writer: Keigo Koyanagi
6.5/102 votes#13 - Secret, Solitude, Color of Twilight
Season 1 Episode 3 - Aired 12/9/2017
The deadline for the “painting of love” is here and Haruki will need to make a choice. Meanwhile, Miou struggles with her feelings towards Haruki, further complicated by discovering the identity of the man who saved her her life when she was young.
Director: Hazuki Mizumoto
Writer: Keigo Koyanagi
6.4/107 votes#14 - Footprints of the Spirit Tortoise
Season 2 Episode 2 - Aired 4/13/2022
The leaders of all the nations’ militaries gather in the Spirit Tortoise Kingdom. Naofumi is there as well, and promises to offer his help as one of the heroes. But just before they decide on a plan, a mysterious woman appears…
Director: Takahiro Hirata
Writer: Keigo Koyanagi
6.4/107 votes#15 - Ost Hourai
Season 2 Episode 5 - Aired 5/4/2022
Naofumi is met by L’Arc, Glass, and Therese. They’re after the person who broke the Spirit Tortoise’s seal and is controlling it. L’Arc proposes teaming up again…
Director: Takahiro Hirata
Writer: Keigo Koyanagi
6.4/107 votes#16 - Infinite Labyrinth
Season 2 Episode 7 - Aired 5/18/2022
Naofumi wakes up in a strange prison to find him and his party at level 1, and Filo missing. They start to raise their levels in order to escape, but things quickly turn against them when a dangerous monster suddenly appears…
Director: Ippei Ichii
Writer: Keigo Koyanagi
6.4/108 votes#17 - Humming Fairy
Season 2 Episode 9 - Aired 6/1/2022
Naofumis party is teleported to Sikul, where Kizuna introduces the Vassal Weapon Hero, Ethnobalt. He soys he can use a piece of Raphtalia's hair and Naofumis blood as a catalyst that can create a shikigami to find her. He creates the shikigami, and they find.
Director: Marina Maki
Writer: Keigo Koyanagi
6.3/108 votes#18 - A New Roar
Season 2 Episode 1 - Aired 4/6/2022
Mysterious monsters appear as Naofumi is preparing for the next Wave. At the same time they show up, the Wave countdown stops. The Queen summons the Four Cardinal Heroes, and tells them that the Spirit Tortoise has revived.
Director: Masato Jimbo
Writer: Keigo Koyanagi
6.2/109 votes#19 - Katana Hero
Season 2 Episode 10 - Aired 6/8/2022
Raphtalia is imprisoned in a Raybul Kingdom prison. She’s wary of L’Arc’s team, who is also imprisoned there, but asks them for help in escaping. Glass is weakened by the draining power of the prison. Raphtalia has a plan to escape, but…
Director: Takahiro Hirata
Writer: Keigo Koyanagi
6.0/101 votes#20 - Inter-Universe
Season 1 Episode 7 - Aired 9/4/2021
Suddenly, a unidentified robot fell from the sky! Following that event, visitors appear one by one. An eccentric alien with a bird on his shoulder. A defense force member that's not GUTS-Select. And finally... another Ultraman!? A new battle for Trigger and GUTS-Select now begins!
Director: Kiyotaka Taguchi
Writer: Keigo Koyanagi
6.0/101 votes#21 - The Propagating Invasion
Season 1 Episode 8 - Aired 9/11/2021
A mysterious phenomenon causes electronics to malfunction all over the city! It influence spreads, intruding into important facilities all over the world finally stealing the system of the Nursedessei! To reclaim their battleship, Kengo, Haruki, and the members of GUTS-Select stand together to confront this powerful enemy!
Director: Kiyotaka Taguchi
Writer: Keigo Koyanagi
6.0/107 votes#22 - Ruins in the Fog
Season 2 Episode 4 - Aired 4/27/2022
The Spirit Tortoise’s head was cut off, but Ost, its familiar, is still alive. It could revive at any moment. The allied armies need to get back into fighting shape, and fast. Naofumi makes the risky move of heading onto the Tortoise’s back with only a small group, and tries to find its true weak spot.
Director: Mayu Hirotomi
Writer: Keigo Koyanagi
6.0/108 votes#23 - Flowers Offered in Recollection
Season 2 Episode 13 - Aired 6/29/2022
Raphtalia recalls having to buy clothing for her smaller self. Kizuna remembers being alone for so long. Rishia remembers Ost trying to give advice.
Director: Daigo Yamagishi
Writer: Keigo Koyanagi
6.0/101 votes#24 - The Man who Created SKaRD
Season 1 Episode 2 - Aired 7/15/2023
Gento, with Bazanga's defeat under his belt, is appointed by GGF Command's Chief of Staff Retsu as the captain of the newly established SKaRD (Special Kaiju Reaction Detachment). Gento goes to meet the members of his team. The members he meet, Emi, Teruaki, Anri, are all one of a kind... That's when news about the emergence of Gedos comes in. They don't have all the members assembled, nor do they have all their equipment yet, but SKaRD's first mission is beginning!
Director: Kiyotaka Taguchi
Writer: Keigo Koyanagi
6.0/101 votes#25 - The Name is Earth Garon
Season 1 Episode 3 - Aired 7/22/2023
SKaRD finally welcomes the last member, Yasunobu, who had been involved with the development of the new weapon, Earth Garon. Now with the whole team gathered, they begin to train against kaiju. In the midst of this, they are informed of a mysterious phenomenon occuring around the world. Storage tanks with new energy sources are being emptied over night... SKaRD believes that this is caused by a kaiju and deploys Earth Garon to the field for the first time.
Director: Kiyotaka Taguchi
Writer: Keigo Koyanagi
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The Best Episodes Written By Keigo Koyanagi
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Keigo Koyanagi Ratings Summary
"The First Wave" is the best rated episode written by Keigo Koyanagi. It scored 8.7/10 based on 3 votes. It was directed by Kiyotaka Taguchi. It aired on 7/8/2023 and is rated 1.1 points higher than their second-best episode, "The Dark Coliseum".