, titled "First Showing! The Secret Weapons of the Sunny!" ( Wiki ), originally aired on July 15, 2012 ( IMDb ). It is the 40th episode of the Fishman Island Arc and showcases the Straw Hat Pirates' growth after their two-year training skip ( Apple TV ). Key Plot Events
A tank piloted by Nami, Usopp, and Chopper that effectively mows down large groups of enemies (Wiki). One Piece Episode 556
Frustrated by his soldiers' failure, Hody Jones orders the Kraken (Surume) to attack. However, Luffy recognizes the beast as his former "pet." After a brief moment where Surume seems to attack, it joyfully obeys Luffy and is tasked with protecting Princess Shirahoshi (IMDb). , titled "First Showing
While the episode follows the manga source material, it adds several extended scenes: Key Plot Events A tank piloted by Nami,
Robin and Brook prevent Hody's men from reaching Shirahoshi. The anime specifically shows Robin using a new giant-limb technique to stomp out several attackers (Wiki). Anime vs. Manga Differences
A scene where Hody Jones threatens one of his own men for expressing fear toward the Straw Hats' strength (Fandom).
An elaborated explanation of the by Franky (Fandom).