Episode 597

"An Intense Battle - Caesar Exercises His True Ability!" is the 597th episode of the One Piece anime.

Short Summary
Sanji, Kin'emon, Brook and Zoro see Smiley. Brook talks about a story about a creature called Slime which melts the clothes of women, making everyone act perverted except for Zoro, who points out that the slime is killing the fish in the lake, prompting Sanji to jump in to find Kin'emon's torso. Law tells Monet to take a walk with him while Chopper is left in the lab to find the antidote.

Luffy faces off against Caesar who uses with his Gas Robe attack until he discovers that Luffy is immune to poison. Caesar then uses his Gastanets and Smiley to injure Luffy who then grabs Caesar. Caesar then knocks Luffy out with an unknown ability. Robin, Franky, Tashigi and Smoker get knocked out as well. Law and Monet are walking down a hallway and encounter a mysterious figure who causes Law to break down in pain while the mysterious figure tells him that it's been a long time since they last met.

Anime Notes

 * When Brook was talking about the book regarding Slime he once read, the anime shows more illustrations from that book.
 * The anime adds the following scenes:
 * After Luffy grabs Caesar, Robin, Franky, and Smoker (in Tashigi's body) attack the centaurs trying to help Caesar.
 * When Luffy uses Atama Buso, he instead says "Busoshoku Koka" which is supposed to harden his arms, not his head.
 * When Caesar used Gas Robe on Luffy, the attack also affected one of the G-5 Marines.
 * When Luffy was thought to be killed by a giant explosion, the centaurs cheered for Caesar.
 * After Luffy attacked Caesar with Jet Stamp, he also took out some of the centaurs before grabbing Caesar again.
 * Smoker, Tashigi, Robin, and Franky getting knocked out by Caesar is shown onscreen while it happened off panel in the manga.
 * Luffy's fight with Caesar is extended.
 * Compared to the manga, Luffy hold his breath for a while after Caesar used Gas Robe.
 * Luffy passing out is also extended.