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The Best Episodes Written By Keigo Koyanagi

Every TV Episode Written by Keigo Koyanagi Ranked from Best to Worst by Thousands of Voters

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".

  • The First Wave
    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

  • The Dark Coliseum
    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

  • First Snow, Dreams, Color of Tears
    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

  • Reason to Fight
    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

  • Yottsun's Drowning
    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

  • Visit Nanaki Before Doubting Masaki
    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

  • The Shield Hero
    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

  • Racing to Catch Up
    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

  • Wait's Over, Isami!
    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

  • Kizuna
    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

  • Shaking Land
    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

  • A Parting in the Snow
    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

  • Secret, Solitude, Color of Twilight
    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

  • Footprints of the Spirit Tortoise
    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

  • Ost Hourai
    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

  • Infinite Labyrinth
    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

  • Humming Fairy
    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

  • A New Roar
    6.2/108 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

  • Katana Hero
    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

  • Inter-Universe
    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

  • The Propagating Invasion
    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

  • Ruins in the Fog
    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

  • Flowers Offered in Recollection
    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

  • The Man who Created SKaRD
    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

  • The Name is Earth Garon
    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