One Piece (dub) Episode 72 -

In a rare moment of deep trust, Luffy entrusts his straw hat to Vivi before heading into battle—only the second time he has ever given it to someone else.

A weakened and suspicious Dorry accuses the Straw Hat crew of betrayal. Despite his confusion, Luffy's primary emotion is pure rage toward whoever would disrupt a "sacred duel" with such a cowardly tactic. One Piece (Dub) Episode 72

Witnessing the giants' dedication to pride and honor sparks Usopp's lifelong dream of visiting Elbaf , the land of the giants. In a rare moment of deep trust, Luffy