What episode does Luffy use Gear 4?

Monkey D. Luffy used his Gear 4: Boundman (aka Bounceman) for the first time in episode 726 of the One Piece anime in his battle against Donquixote Doflamingo, the Heavenly Demon.

Luffy uses Gear 4 snakeman in English for the first time

LUFFY GEAR 4 REACTION One Piece REACTION Episode 725-728

When does Luffy use Gear 5?

Luffy Activates Gear 4 Against Kaido

One Piece: 10 Amazing Facts Most Fans Don't Know About Gear Fourth

Monkey D Luffy Land of Wano Extra Battle Gear 4 Ver One Piece

Who is stronger, Nightmare Luffy or Luffy with Gear 4? - Quora

What episode does Luffy use Gear 4? - Quora

A One Piece Game Roblox: Becoming GEAR 4 LUFFY In One Video