A princess finds a former knight at a pub and joins a quest to reunite his group of cavaliers in order to overthrow tyrants and restore the kingdom.
When Gilthunder plants his sword in the center of the town and stops the village from making ale, only Meliodas can remove it, making him town savior.
Meliodas, Hawk and Elizabeth travel to the daunting Forest of White Dreams, where Meliodas goes to dangerous extremes to obtain information.
Diane joins the mission to free Ban from the Baste Dungeon, but the group is assailed by an enemy set on crushing the whole town and the Deadly Sins.
Golgius tries to seize the sword from Elizabeth and Meliodas; the sound of a mysterious bell drives the group to fight each other.
Elizabeth and Meliodas must fight Holy Knights Friesia and Ruin to proceed to the dungeon. An omen foretells of disaster on its way to Britannia.
Ban, Meliodas and company have finally reunited. Seeking a clue to the location of the Grizzly's Sin of Sloth, they head to the Capital of the Dead.
King and Ban have a final showdown; Holy Knight Guila battles Meliodas, Diane and Elizabeth; Ban remembers Elaine and the Fountain of Youth.
Elaine finally persuades King to rescue Meliodas and the others. Back in the capital, malcontent starts to stir among some of the Holy Knights.
Upon learning the fighting festival's grand prize, Gideon, Meliodas, Ban and King decide to participate, as do Holy Knights Howzer and Griamore.
In the final match of the festival's first round, Ban reflects on the first time he met Meliodas. Veronica and Griamore search for Elizabeth.
During the last match of the festival, the venue breaks out in pandemonium when a group of Holy Knights attacks. What have they come for?
Enclosed inside the Goddess Amber, Meliodas breaks free and reappears. Not his true self, he begins attacking his allies as well as his enemies.
Meliodas and his pals begin a new search for the remaining Seven Deadly Sins. The Holy Knight Helbram dispatches assassins to crush the Armor Giant.
Just as the attack overtakes the Armor Giant, Gowther appears, taking unexpected action. Elizabeth learns of Meliodas's past and the existence of Liz.
Elizabeth's words convince Meliodas to fight, and it becomes clear who stole his consciousness. Hendrickson begins to resurrect the Demon Clan.
When Elizabeth is kidnapped, Meliodas, Ban and Gowther launch an attack on the capital. Meanwhile, King Arthur of Camelot confronts Hendrickson.
Diane has a brush with death while protecting Zeal. Howzer and Guila are forced into a struggle against formidable magical powers.
King recalls how he met Diane 700 years ago and the sad event that occurred between him and Helbram. What promise did these once good friends make?
In order to take Elizabeth back, Meliodas teams up with Arthur to fight a fierce battle against Hendrickson and Gilthunder.
Merlin's appearance crushes Vivian's ambitions, and Meliodas is reunited with Elizabeth. Ban learns he must kill someone in order to resurrect Elaine.
Meliodas loses Elizabeth again. Ban confronts the person he must kill in order to save Elaine. Diane and company battle against the New Generation.
Pursued by the Seven Deadly Sins, Hendrickson makes two finds that give him the ultimate Demon power.
Just when it seems as if the Seven Deadly Sins will be defeated by Hendrickson's overwhelming power, Elizabeth's power returns to her.
With the capital retaken and the Liones Kingdom slowly getting back on its feet, Meliodas, Elizabeth and Hawk turn their attention to the Boar Hat.
Ban and Meliodas meet to continue the duel they left unfinished before, only to find that Hawk has told everyone about their solemn battle.
King is overjoyed to spend the day of the festival with Diane, but he's struggling to figure out how to take the next step.
Business at the Boar Hat is dropping, so Meliodas asks Merlin to join the staff as a waitress alongside Elizabeth and Diane to attract customers.
As the kingdom begins to rebuild after the coup attempt, the king honors the Seven Deadly Sins for their bravery with a medal ceremony.
With Fraudrin's manipulation of Hendrickson, the Ten Commandments return to the physical realm. King follows Ban to the Fairy King's Forest.
Diane confronts Gowther after he manipulates Guila and Zeal's memories. With the return of the Demon Clan, new threats descend upon allied clans.
King struggles to fend off the giant Albion sent to destroy the Fairy King's Forest. Galand of the Ten Commandments appears before Meliodas.
The fairies reconcile their differences with King as Ban leaves the forest. Meanwhile, Meliodas and gang are overwhelmed by the sheer power of Galand.
Hendrickson, thought to have been defeated in a battle against Meliodas, aids Gilthunder and the Holy Knights against a powerful Gray Demon.
An injured Diane awakens, having trouble remembering her comrades. With her memories fading, she heads for Megadoza, home of the Giant Clan.
Meliodas and others head to Megadozer in hopes of finding Diane. Meanwhile, a confused Diane encounters Galand of the Ten Commandments once again.
Acknowledging his lack of strength to face the Ten Commandments, Meliodas vigorously trains with the Druids of Istar to regain his sealed powers back.
Ban reflects on his past after returning to his childhood home in Ravens. Meliodas's allies train for their inevitable war with the Ten Commandments.
A frail Zhivago reunites with Ban, his long-lost adopted son. Meanwhile, a wary King confronts Meliodas about his true intentions.
After a brief encounter with Meliodas, the Ten Commandments begin their attack on Britannia. A resurrected Elaine appears before Ban.
A revived but possessed Elaine attacks her lover, Ban, as Melascula and Galand of the Ten Commandments emerge to destroy those in their path.
Jericho carries severely injured Ban and Elaine on her back while escaping from Galand and Melascula before stumbling into a bar deep inside a cave.
Gloxinia and Drole of the Ten Commandments lure strong fighters to Vaizel by offering to grant any wish to the winner of their Great Fight Festival.
An elaborate trap-laden deadly maze constructed by Drole begins to weed out the weaker challengers that have gathered for the Great Fight Festival.
The surviving challengers of the Great Fight Festival are split into pairs and made to face each other in a tag team battle.
King and Diane continue their battle against opponents summoned by Gloxinia and Drole. Escanor refuses to fight against his fellow ally Gowther.
As Escanor's battle with Gowther comes to a dramatic end, Meliodas must now face the remaining Ten Commandments in an all-out battle.
With Meliodas rendered powerless, Ban asks to be transported back so he can aid him in his fight against Estarossa and the other Ten Commandments.
While caring for Meliodas, Elizabeth encounters a former Great Holy Knight thought to have perished long ago by the hands of Dreyfus and Hendrickson.
With Ban and the Holy Knights paralyzed by Estarossa’s powers, Escanor shows up to thwart the fall of Liones at the hands of the Ten Commandments.
As the situation inside Liones Castle becomes even more dire, Merlin, freed from Galand's Commandment of Truth, reappears in her former form.
Determined to kill his former leader for betraying their clan 3,000 years ago, Fraudrin takes on a newly resurrected darker, more powerful Meliodas.
Meliodas and Ban intercept a caravan transporting prisoners to the Ten Commandments, but demons still threaten villages in other parts of Britannia.
King and Diane take refuge in the Fairy King's Forest to escape the Ten Commandments. But Gloxinia and Drole find them after a peaceful interlude.
Looking like Gloxinia and Drole, King and Diane are transported back to Britannia 3,000 years ago. There they meet Meliodas, who's fighting for Stigma.
Led by Ludociel, the Four Archangels overwhelm the Ten Commandments. With no other choice, Derieri and Monspeet resort to extreme measures.
Elizabeth attempts to save Derieri and Monspeet from their Indura transformation. Defying Ludociel, Sariel and Tarmiel go to her aid.
The original Gowther comes to Diane and King with a request. King learns of a human revolt against Stigma and rushes to Gerheade's aid.
King regains consciousness in the present, but Diane is still stuck in the past facing Zeldris. Drole watches calmly, but King is frantic with worry.
While King and the others search for him, the events that led Gowther to suppress his memories come to light. Then he meets Nadja.
Diane tells Elizabeth that she met someone who looked just like her in the past. Meliodas denies knowing anything about it when Elizabeth asks.
On their way to liberate Camelot, Meliodas tells his comrades about the curse that two deities put upon him and Elizabeth 3,000 years ago.
The party heads to the city of Coland to dispel the distortion protecting Camelot. When Meliodas is trapped in darkness, they must fight without him.
Transformed into a giant snake, Melascula attacks Ban and the others. After Meliodas escapes the darkness, he unleashes his fearsome Assault Mode.
Meliodas regains the strength he had when he led the Ten Commandments. Escanor, whose power peaks at the stroke of noon, struggles against him.
The Demon King orders Zeldris to capture Meliodas and kill the Deadly Sins. But when he calls upon the Ten Commandments, no one answers.
Chandler, Meliodas' former mentor, aids Zeldris. He infiltrates the Boar Hat to capture Meliodas, but the Deadly Sins stand in his way.
King prepares to face Chandler, who's returned in his demonic form. Gloxinia and Drole appear, risking their lives so the Deadly Sins can escape.
Meliodas disbands the Deadly Sins and departs with Elizabeth. But his companions aren't going to let him go without a fight, and Hawk holds the key.
Merlin faces Zeldris, whom Meliodas has ordered to gather the Commandments. Margaret, Hendrickson and Dreyfus continue their search for Gilthunder.
Having taken over Margaret's body, Ludociel appears in Liones and declares a holy war against the Demon Clan. Chandler searches for Elizabeth.
In Camelot, Arthur searches for the Holy Sword Excalibur alone. Ludociel warns Escanor to give up his Grace of Sunshine, on pain of death.
Inside Camelot, Arthur makes his last stand against Meliodas and the others. Merlin comes to his rescue, but not before she falls under Cusack's spell.
The new Holy War commences as the allied forces of Stigma face off against the Demon Clan. Derieri decides to surrender her Commandment to Zeldris.
Sensing Elizabeth's magic, Derieri appears before the Stigma army. Estarossa follows her, but Sariel and Tarmiel have other plans for him.
Estarossa professes his love for Elizabeth. When he loses control after absorbing three of the Commandments, Stigma's army faces him in a final battle.