Ep 1. Revival of the Demon Clan

The Seven Deadly Sins season 3 episode 1, titled "Revival of the Demon Clan," sees the return of the powerful demon clan to Britannia. The season begins with the Seven Deadly Sins being summoned by a mysterious force to the kingdom of Liones. Upon their arrival, they find the kingdom in turmoil as the Holy Knight army, led by a new Grand Master, has taken control and imprisoned the king and his daughter, Princess Elizabeth, for treason.

As the Seven Deadly Sins begin to take action to rescue the king and princess, they discover that their nemesis, the demon clan, has been resurrected. With their leader, the Demon King, back in power, the demon clan is determined to wage war on the human world and take control of Britannia. The Seven Deadly Sins must unite with their old enemies, the demons, to stop the impending destruction and save their world.

The episode introduces several new characters, including Zeldris, the second son of the Demon King, and a powerful demon warrior who serves as his father's right-hand man. We also meet Estarossa, the third son of the Demon King, who is tasked with hunting down the Seven Deadly Sins and bringing them to his father. The demon clan's revival sets the stage for an epic battle between the two powerful factions and introduces new challenges for the Seven Deadly Sins to overcome.

Throughout the episode, we see the Seven Deadly Sins reunite and put aside their personal differences as they work towards a common goal. We see the return of fan-favorite characters like Meliodas, the leader of the Seven Deadly Sins, and his lover, Elizabeth. We also get a glimpse into the past through a series of flashbacks that help to explain the history between the demons and the humans and the events that led to the demon clan's revival.

In typical Seven Deadly Sins fashion, the episode is filled with action-packed fight scenes, magical powers, and witty banter between the characters. We see the Seven Deadly Sins face off against the Holy Knight army, who are equipped with new, advanced weapons that threaten to thwart the Sins' efforts. We also get our first taste of the demon clan's power as we witness Zeldris and Estarossa display their impressive combat skills.

Overall, "Revival of the Demon Clan" is a gripping and exciting season opener that sets the stage for an epic battle between the Seven Deadly Sins and the demon clan. It introduces new characters, expands on the lore of the series, and leaves viewers eager to see what comes next.