S01E42: The Underwater Temple
The eccentric high priest of the Underwater Temple makes it crystal clear that the Black Bulls won’t get their hands on the magic stone that easily.
Previous Episode 
Season 1
Asta and Yuno
S1E1 / 03 Oct 2017
A Young Man's Vow
S1E2 / 10 Oct 2017
To the Royal Capital!
S1E3 / 17 Oct 2017
The Magic Knights Entrance Exam
S1E4 / 24 Oct 2017
The Road to the Wizard King
S1E5 / 31 Oct 2017
The Black Bulls
S1E6 / 07 Nov 2017
Another New Member
S1E7 / 14 Nov 2017
Go! Go! My First Mission
S1E8 / 21 Nov 2017
Beasts
S1E9 / 28 Nov 2017
Guardians
S1E10 / 05 Dec 2017
What Happened One Day in the Castle Town
S1E11 / 12 Dec 2017
The Wizard King Saw
S1E12 / 19 Dec 2017
The Wizard King Saw, Continued
S1E13 / 26 Dec 2017
Dungeon
S1E14 / 09 Jan 2018
The Diamond Mage
S1E15 / 16 Jan 2018
Friends
S1E16 / 23 Jan 2018
Destroyer
S1E17 / 30 Jan 2018
Memories of You
S1E18 / 06 Feb 2018
Destruction and Salvation
S1E19 / 13 Feb 2018
Assembly at the Royal Capital
S1E20 / 20 Feb 2018
Capital Riot
S1E21 / 27 Feb 2018
Wild Magic Dance
S1E22 / 06 Mar 2018
The King of the Crimson Lions
S1E23 / 13 Mar 2018
Blackout
S1E24 / 20 Mar 2018
Adversity
S1E25 / 27 Mar 2018
Wounded Beasts
S1E26 / 03 Apr 2018
Light
S1E27 / 10 Apr 2018
The One I've Set My Heart On
S1E28 / 17 Apr 2018
Path
S1E29 / 24 Apr 2018
The Mirror Mage
S1E30 / 01 May 2018
Pursuit Over the Snow
S1E31 / 08 May 2018
Three-Leaf Sprouts
S1E32 / 15 May 2018
To Help Somebody, Someday
S1E33 / 22 May 2018
Light Magic vs. Dark Magic
S1E34 / 29 May 2018
The Light of Judgment
S1E35 / 05 Jun 2018
Three Eyes
S1E36 / 12 Jun 2018
The One with No Magic
S1E37 / 19 Jun 2018
The Magic Knight Captains Conference
S1E38 / 26 Jun 2018
Three-Leaf Salute
S1E39 / 03 Jul 2018
A Black Beach Story
S1E40 / 10 Jul 2018
The Water Girl Grows Up
S1E41 / 17 Jul 2018
The Underwater Temple
S1E42 / 24 Jul 2018
Temple Battle Royale
S1E43 / 31 Jul 2018
The Pointlessly Direct Fireball and the Wild Lightning
S1E44 / 07 Aug 2018
The Guy Who Doesn’t Know When to Quit
S1E45 / 14 Aug 2018
Awakening
S1E46 / 21 Aug 2018
The Only Weapon
S1E47 / 28 Aug 2018
Despair vs. Hope
S1E48 / 04 Sep 2018
Beyond Limits
S1E49 / 11 Sep 2018
End of the Battle, End of Despair
S1E50 / 18 Sep 2018
Proof of Rightness
S1E51 / 25 Sep 2018
Whoever’s Strongest Wins
S1E52 / 02 Oct 2018
Behind the Mask
S1E53 / 09 Oct 2018
Never Again
S1E54 / 16 Oct 2018
The Man Named Fanzell
S1E55 / 23 Oct 2018
The Man Named Fanzell, Continued
S1E56 / 30 Oct 2018
Infiltration
S1E57 / 06 Nov 2018
The Battlefield Decision
S1E58 / 13 Nov 2018
Flames of Hatred
S1E59 / 20 Nov 2018
Defectors’ Atonement
S1E60 / 27 Nov 2018
The Promised World
S1E61 / 04 Dec 2018
Bettering One Another
S1E62 / 11 Dec 2018
Not in the Slightest
S1E63 / 18 Dec 2018
The Red Thread of Fate
S1E64 / 25 Dec 2018
I’m Home
S1E65 / 08 Jan 2019
The Eye of the Midnight Sun’s Secret
S1E66 / 15 Jan 2019
A Fun Festival Double Date
S1E67 / 22 Jan 2019
Battle to the Death?! Yami vs. Jack
S1E68 / 29 Jan 2019
The Briar Maiden’s Melancholy
S1E69 / 05 Feb 2019
Two New Stars
S1E70 / 12 Feb 2019
The Uncrowned, Undefeated Lioness
S1E71 / 19 Feb 2019
Saint Elmo’s Fire
S1E72 / 26 Feb 2019
The Royal Knights Selection Test
S1E73 / 05 Mar 2019
Flower of Resolution
S1E74 / 12 Mar 2019
Fierce Battle
S1E75 / 19 Mar 2019
Mage X
S1E76 / 26 Mar 2019
Bad Blood
S1E77 / 02 Apr 2019
Peasant Trap
S1E78 / 09 Apr 2019
Mister Delinquent vs. Muscle Brains
S1E79 / 16 Apr 2019
Special Little Brother vs. Failed Big Brother
S1E80 / 23 Apr 2019
The Life of a Certain Man
S1E81 / 30 Apr 2019
Petit Clover! The Nightmarish Charmy SP!
S1E82 / 07 May 2019
Burn It Into You
S1E83 / 14 May 2019
The Victors
S1E84 / 21 May 2019
Together in the Bath
S1E85 / 28 May 2019
Yami and Vangeance
S1E86 / 04 Jun 2019
Formation of the Royal Knights
S1E87 / 11 Jun 2019
Storming the Eye of the Midnight Sun’s Hideout!!!
S1E88 / 18 Jun 2019
The Black Bulls’ Hideout
S1E89 / 25 Jun 2019
Crazy Magic Battle
S1E90 / 02 Jul 2019
Mereoleona vs. Raia the Disloyal
S1E91 / 09 Jul 2019
The Wizard King vs. The Leader of the Eye of the Midnight Sun
S1E92 / 16 Jul 2019
Julius Novachrono
S1E93 / 23 Jul 2019
New Future
S1E94 / 30 Jul 2019
Reincarnation
S1E95 / 06 Aug 2019
The Black Bulls Captain vs. the Crimson Wild Rose
S1E96 / 13 Aug 2019
Overwhelming Disadvantage
S1E97 / 20 Aug 2019
The Sleeping Lion
S1E98 / 27 Aug 2019
The Desperate Path Toward Survival
S1E99 / 03 Sep 2019
We Won’t Lose to You
S1E100 / 10 Sep 2019
The Lives of the Village in the Sticks
S1E101 / 17 Sep 2019
Two Miracles
S1E102 / 24 Sep 2019
Release from Misfortune
S1E103 / 01 Oct 2019
Lightning of Rage vs. Friends
S1E104 / 08 Oct 2019
Smiles, Tears
S1E105 / 15 Oct 2019
Path of Revenge, Path of Atonement
S1E106 / 22 Oct 2019
The Battle for Clover Castle
S1E107 / 29 Oct 2019
Battlefield Dancer
S1E108 / 05 Nov 2019
Spatial Mage Brothers
S1E109 / 12 Nov 2019
The Raging Bull Joins the Showdown!!
S1E110 / 19 Nov 2019
The Eyes in the Mirror
S1E111 / 26 Nov 2019
Humans Who Can Be Trusted
S1E112 / 03 Dec 2019
Storming the Shadow Palace
S1E113 / 10 Dec 2019
The Final Invaders
S1E114 / 17 Dec 2019
Mastermind
S1E115 / 24 Dec 2019
The Ultimate Natural Enemy
S1E116 / 07 Jan 2020
Breaking the Seal
S1E117 / 14 Jan 2020
A Reunion Across Time and Space
S1E118 / 21 Jan 2020
The Final Attack
S1E119 / 28 Jan 2020
Dawn
S1E120 / 04 Feb 2020
Three Problems
S1E121 / 11 Feb 2020
As Pitch Black as It Gets
S1E122 / 18 Feb 2020
Nero Reminiscences… (1)
S1E123 / 25 Feb 2020
Nero Reminiscences… (2)
S1E124 / 03 Mar 2020
Return
S1E125 / 10 Mar 2020
The Blue Rose’s Confession
S1E126 / 17 Mar 2020
Clues
S1E127 / 24 Mar 2020
To the Heart Kingdom!
S1E128 / 31 Mar 2020
The Devil Megicula
S1E129 / 07 Apr 2020
The New Magic Knights Captain Conference
S1E130 / 14 Apr 2020
A New Resolve
S1E131 / 21 Apr 2020
The Lion Awakens
S1E132 / 28 Apr 2020
The Lion Awakens, Continued
S1E133 / 07 Jul 2020
Those Who Have Been Gathered
S1E134 / 14 Jul 2020
The One Who Has My Heart, My Mind, and Soul
S1E135 / 21 Jul 2020
A Black Deep Sea Story
S1E136 / 28 Jul 2020
Charmy’s Century of Hunger, Gordon’s Millennium of Loneliness
S1E137 / 04 Aug 2020
In Zara’s Footsteps
S1E138 / 11 Aug 2020
A Witch’s Homecoming
S1E139 / 18 Aug 2020
A Favor for Julius
S1E140 / 25 Aug 2020
The Golden Family
S1E141 / 01 Sep 2020
Those Remaining
S1E142 / 08 Sep 2020
The Tilted Scale
S1E143 / 15 Sep 2020
Those Who Wish for the Devil’s Demise
S1E144 / 22 Sep 2020
Rescue
S1E145 / 29 Sep 2020
Those Who Worship the Devil
S1E146 / 06 Oct 2020
Prepared to Die
S1E147 / 13 Oct 2020
Becoming the Light That Shines Through the Darkness
S1E148 / 20 Oct 2020
Two Things to Look for
S1E149 / 27 Oct 2020
The Maidens’ Challenge
S1E150 / 03 Nov 2020
Clash! The Battle of the Magic Knights Squad Captains
S1E151 / 10 Nov 2020
To Tomorrow!
S1E152 / 17 Nov 2020
The Chosen Ones
S1E153 / 24 Nov 2020
Vice Captain Langris Vaude
S1E154 / 01 Dec 2020
The 5 Spirit Guardians
S1E155 / 08 Dec 2020
Awakening Powers
S1E156 / 15 Dec 2020
Five-Leaf Clover
S1E157 / 22 Dec 2020
The Beginning of Hope and Despair
S1E158 / 05 Jan 2021
Quiet Lakes and Forest Shadows
S1E159 / 12 Jan 2021
The Messenger from the Spade Kingdom
S1E160 / 19 Jan 2021
Zenon’s Power
S1E161 / 26 Jan 2021
The Great War Breaks Out
S1E162 / 02 Feb 2021
Dante vs. the Captain of the Black Bulls
S1E163 / 09 Feb 2021
Battlefield: Heart Kingdom
S1E164 / 16 Feb 2021
Water Crusade
S1E165 / 23 Feb 2021
Captain: Yami Sukehiro
S1E166 / 02 Mar 2021
Black Oath
S1E167 / 09 Mar 2021
Stirrings of the Strongest
S1E168 / 16 Mar 2021
The Devil-Binding Ritual
S1E169 / 23 Mar 2021
The Faraway Future
S1E170 / 30 Mar 2021
Season 2
The Battle Begins
S2E1 / 03 Oct 2026
The Door to Hell
S2E2 / 10 Oct 2026
Black Guardian
S2E3 / 17 Oct 2026
Gakuto Kajiwara
Asta (voice)
Nobunaga Shimazaki
Yuno (voice)
Kana Yuuki
Noelle Silva (voice)
Junichi Suwabe
Yami Sukehiro (voice)
Genki Muro
Magna Swing (voice)
Ayumu Murase
Luck Voltia (voice)
Jun Fukuyama
Finral Roulacase (voice)
