Season 4
January 13, 2021
An alliance is formed between the Arc Angels and the forces of Liones to put an end to the war. Ban ventures into the depths of Purgatory to find Meliodas's emotions and bring them back.
24 Episodes
Episodes
From Purgatory
January 13, 2021
Ban searches purgatory for Meliodas. King, Deriri and the others head to Heaven's Theater to rescue Elizabeth, who's been abducted by Estarossa.
A Meeting with the Unknown
January 20, 2021
Reunited once again, Ban and Meliodas prepare to face the Demon King, who they suspect holds the key to their escape from purgatory.
A Single-Minded Love
January 27, 2021
With Wild now an ally, Meliodas brings Zeldris' tragic past to light as the newly formed trio make their way towards the Demon King.
The Victims of the Holy War
February 3, 2021
Meliodas grapples with suddenly losing his memories of Estarossa. Zeldris, Chandler and Cusack threaten to overpower Merlin and the others.
The Tragic Strike
February 10, 2021
Gowther reveals that his creator, the real Gowther, cast a forbidden spell on Mael and all those who knew him to end the Holy War 3,000 years ago.
Confront Despair!!
February 17, 2021
Gowther takes on Mael to protect his friends. Diane also joins the battle, but the Archangel's power level continues to rise as he nears his final form.
Hope, Conflict, and Despair
February 24, 2021
Mael changes form after absorbing four of the Commandments. King soon overwhelms him with his Spirit Spear, but Gowther tries to save the Archangel.
The Doorway to Hope
March 3, 2021
Meliodas and the others have to defeat the Demon King before they can escape Purgatory and make their way to the world of the living.
That Which Gathers
March 10, 2021
Chandler and Cusack merge to form the all-powerful Original Demon. Merlin gives up any hope of victory, but Mael and King soon come to her aid.
The Salvation of the Sun
March 17, 2021
As Meliodas absorbs every last one of the Ten Commandments, Merlin attempts a forbidden spell to stop the birth of a new Demon King.
The One Who Stands Against a God
March 24, 2021
Merlin's spell thwarts Meliodas' transformation. The Holy War seems to be over, but Elizabeth senses something is still terribly wrong.
We'll All Be Your Strength
March 31, 2021
Escaping purgatory, Ban faces the Demon King, who now possesses Meliodas’ body. Elizabeth and the others make their way into the spirit world.
The End of a Long Journey
April 7, 2021
Peace returns to the Kingdom of Liones. Although Elizabeth is still under a curse, Meliodas assures her there is a way to break it.
Farewell, Seven Deadly Sins
April 14, 2021
Now that Meliodas is the Demon King, he cannot remain on earth. Though his friends acknowledge his fate, they are unable to accept it.
Fated Brothers
April 21, 2021
Merlin rescues Elizabeth, who barely evades a falling boulder on her way to the Demon Realm with Meliodas. The Sins realise the Demon King is alive.
The Final Battle
April 28, 2021
Elizabeth and Meliodas face the Demon King, who now possesses the body of Zeldris. Meanwhile, the Sins clash with a beast summoned by the Demon King.
The Voice Calling Your Name
May 5, 2021
With Escanor's aid, Meliodas and Gowther reach the spirit world, where they aim to split the Demon King and Zeldris back into their own bodies.
The King Sings Alone
May 12, 2021
Diane destroys the source of the Demon King's magic. Meanwhile, Escanor continues fighting the Demon King at full power, exceeding his limits.
The Struggle
May 19, 2021
Escanor converts all of his life energy into magic to defeat the Demon King. Meliodas pleads with his comrade to stop, but Escanor refuses to listen.
Mortal Enemies
May 26, 2021
Zeldris and the Sins corner the Demon King in both realms, but the King separates from his son's body and possesses Britannia itself as his new vessel.
What the Witch Had Always Wanted
June 2, 2021
The long-fought Holy War comes to a dramatic end. Peace returns to the Kingdom of Britannia once again, but a new threat looms on the horizon.
A Taste of Chaos
June 9, 2021
The Sins are shocked by Merlin's longtime deception. Meanwhile, Merlin declares that Arthur has been recognized as the King of Chaos.
An Everlasting Kingdom
June 16, 2021
A vicious beast in his true form, Cath attacks the reawakened Arthur. Now separated from the Sins, Merlin attempts to take on the monster herself.
Heirs
June 23, 2021
Arthur's battle with Cath comes to an epic conclusion. The Seven Deadly Sins go their separate ways as peace returns to the world once again.
