Episode 341

"Nami in Big Trouble! The Zombie Mansion and the Invisible Man" is the 341st episode of the One Piece anime.

Short Summary
After the meeting with Hogback, Nami is assaulted by an invisible man in the shower, but Usopp and Chopper manage to drive it off. The rest of the Straw Hats set foot on the island and encounter more zombies. Elsewhere, Hogback meets with Absalom, the invisible man who attacked Nami, and a ghost referred to as Perona, to discuss what to do with the Straw Hats. Back in the manor, Nami, Usopp, and Chopper find themselves surrounded and trapped by the Surprise Zombies: zombies that strike from paintings, taxidermied heads, and even floor rugs.