Episode 4

is the 4th episode of The Seven Deadly Sins anime series.

Summary
Having discovered the whereabouts of Ban and King, Diane throws Gilthunder out of the forest, and Meliodas, Hawk and Elizabeth, now joined by Diane, head toward the Baste Dungeon, where Ban is imprisoned. They later arrive at Dalmary Town where Meliodas is treated by Dana. Diane and Elizabeth begin to argue and discuss about the aspects in which they envy each other. They are suddenly attacked by the Holy Knight Friesia, who tries to destroy the entire town along with the Deadly Sins, but Diane quickly destroys all of her insects. Concurrently, Ban escapes from his cell in the Baste Dungeon, and is stopped by Jericho, who tries to subdue him. Dana unexpectedly reveals that the medicine Meliodas drank was a deadly poison as Golgius appears out of the blue.

Manga & Anime Differences

 * In the manga, Friesia was assumed to be a male but revealed to be a female in the anime.
 * In the anime, Diane searches for somebody to help Meliodas in Dalmary Town, but everyone is scared of her.