S03E04: Golden Secret
The 8th struggles to find a way to counter Gold's powers. And then, someone unexpected steps up to fight.
Previous Episode 
Season 1
Shinra Kusakabe Enlists
S1E1 / 05 Jul 2019
The Heart of a Fire Soldier
S1E2 / 12 Jul 2019
The Rookie Fire Soldier Games
S1E3 / 27 Jul 2019
The Hero and the Princess
S1E4 / 03 Aug 2019
The Battle Begins
S1E5 / 10 Aug 2019
The Spark of Promise
S1E6 / 17 Aug 2019
The Investigation of the 1st Commences
S1E7 / 24 Aug 2019
Infernal Insects
S1E8 / 31 Aug 2019
The Spreading Malice
S1E9 / 07 Sep 2019
The Promise
S1E10 / 14 Sep 2019
Formation of Special Fire Force Company 8 / The Mightiest Hikeshi
S1E11 / 21 Sep 2019
Eve of Hostilities in Asakusa
S1E12 / 12 Oct 2019
The Trap Is Set
S1E13 / 19 Oct 2019
For Whom the Flames Burn
S1E14 / 26 Oct 2019
The Blacksmith’s Dream
S1E15 / 02 Nov 2019
We Are Family
S1E16 / 09 Nov 2019
Black and White and Gray
S1E17 / 16 Nov 2019
The Secrets of Pyrokinesis
S1E18 / 23 Nov 2019
Into the Nether
S1E19 / 30 Nov 2019
Wearing His Pride
S1E20 / 07 Dec 2019
Those Connected
S1E21 / 14 Dec 2019
A Brother’s Determination
S1E22 / 21 Dec 2019
Smile
S1E23 / 28 Dec 2019
The Burning Past
S1E24 / 28 Dec 2019
Season 2
A Fire Soldier’s Fight
S2E1 / 04 Jul 2020
Flames of Madness
S2E2 / 11 Jul 2020
A New Flashpoint
S2E3 / 18 Jul 2020
Groping Through the Fire
S2E4 / 25 Jul 2020
Corna (Sign of the Devil) / A Secret Plan
S2E5 / 01 Aug 2020
The Time to Choose
S2E6 / 08 Aug 2020
Road to the Oasis
S2E7 / 15 Aug 2020
Smoldering Malevolence
S2E8 / 22 Aug 2020
The Core
S2E9 / 29 Aug 2020
The Woman in Black
S2E10 / 05 Sep 2020
Dark Hero
S2E11 / 12 Sep 2020
Shadows Cast by Divine Light
S2E12 / 19 Sep 2020
A Pair of One-Eyes
S2E13 / 26 Sep 2020
The Ashen Reaper
S2E14 / 03 Oct 2020
A Three-Way Melee
S2E15 / 10 Oct 2020
Mind Blown
S2E16 / 17 Oct 2020
Boys, Be Weak
S2E17 / 24 Oct 2020
The Holy Woman’s Anguish / The Man, Assault
S2E18 / 31 Oct 2020
The Oze Family
S2E19 / 07 Nov 2020
Weapons of Destruction
S2E20 / 14 Nov 2020
Enemy Contact
S2E21 / 21 Nov 2020
Plot for Extinction
S2E22 / 28 Nov 2020
Firecat
S2E23 / 05 Dec 2020
Signs of Upheaval
S2E24 / 12 Dec 2020
Season 3
Indomitable Resolve
S3E1 / 05 Apr 2025
Prisoner
S3E2 / 12 Apr 2025
Incarnation of Flame
S3E3 / 19 Apr 2025
Golden Secret
S3E4 / 26 Apr 2025
Chance Meeting with an Arch-Enemy
S3E5 / 03 May 2025
Beyond Prayer's End
S3E6 / 10 May 2025
Sleeping Truth
S3E7 / 17 May 2025
Holy Mother of Darkness / The Knight-King's Great Adventure
S3E8 / 24 May 2025
Holy Sword, Resurrected
S3E9 / 31 May 2025
Advent
S3E10 / 07 Jun 2025
The Great Kaiju Battlefront
S3E11 / 14 Jun 2025
The Madness of the Distant Past
S3E12 / 21 Jun 2025
Unaware
S3E13 / 10 Jan 2026
With the Sun at His Back
S3E14 / 17 Jan 2026
Birth
S3E15 / 24 Jan 2026
Savior
S3E16 / 31 Jan 2026
At the Center of the World
S3E17 / 07 Feb 2026
Incantation of Destruction
S3E18 / 14 Feb 2026
Those Who Fight Back / The Final Imagining
S3E19 / 21 Feb 2026
Where Hope Is
S3E20 / 28 Feb 2026
Gakuto Kajiwara
Shinra Kusakabe (voice)
Yusuke Kobayashi
Arthur Boyle (voice)
Saeko Kamijo
Maki Oze (voice)
Mao Ichimichi
Iris (voice)
Kazuya Nakai
Akitaru Obi (voice)
Kenichi Suzumura
Takehisa Hinawa (voice)
Aoi Yuuki
Kotatsu Tamaki (voice)
