Episode 81

"Ya Happy? The Doctor who is Called a Witch!" is the 81st episode of One Piece.

Summary
While Sanji and Luffy fight off the wilderness, the islander's worst nightmare turns true, as Wapol returns to the island. The doctor is discovered to be on the other side of the island, and Usopp, Vivi and Dalton rush to find her. Dalton however returns as he hears of Wapol's return.

4Kids Version
4Kids combined part of Japanese episode 80 and part of 81 to make 4Kids episode 49: "Rabid Rabbits" aired on September 10, 2005. Then they combine the rest of Japanese episode 81 with episode 82 to make 4Kids episode 50: "Avalanche!" aired on September 17, 2005.