: This is the first episode to feature the second version of the opening theme "Wake up!" , which showcases upcoming battles against the Donquixote Pirates.
, titled "Luffy Astonished! The Man Who Inherits Ace's Will," is a landmark episode in the Dressrosa Arc. In the English dub, this episode is widely celebrated for its emotional weight, marking the long-awaited return of a character previously presumed dead. Key Plot Developments One Piece (Dub) Episode 663
: While the reunion takes center stage, the episode also moves the plot forward as Thunder Soldier explains "Operation: SOP" to Franky, Robin, and Usopp, detailing the plan to take down Sugar and free the toy citizens of Dressrosa. : This is the first episode to feature
: The episode also marks the debut of Koala in the current timeline. A former slave freed by Fisher Tiger, she is now a Fish-Man Karate assistant instructor for the Revolutionary Army and Sabo’s partner. In the English dub, this episode is widely
: As Luffy looks for a way out of the Corrida Colosseum, he is approached by a mysterious man. The revelation that this man is his long-lost sworn brother, Sabo—now the Revolutionary Army's Chief of Staff—leaves Luffy in tears of joy and disbelief.