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.