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.

How close is One Piece's Luffy to Gear 6?

One Piece: The true powers of Luffy's Gear 5 explained - Dexerto

Luffy Activates Gear 4 Against Kaido

Anime: In which episode will we see Luffy's gear 4th? - Quora

Luffy Gear 4 Sneakman (From One Piece) - song and lyrics by Otaku

First Time Luffy Uses Gear Four HD - Luffy Vs Doflamingo

What episode does Luffy use Gear 4? - Quora

What episode does Luffy use Gear 4? - Quora

I painted Luffy's Gears. Which is your fav? : r/OnePiece

One Piece Re-Introduces Luffy's Final Gear Fourth Form

The 'One Piece' Episodes Where Luffy Gets Each of His Gears, Explained