

A hole in the ocean? Luffy's about to fall into his weirdest treasure hunt yet.
The Straw Hat Pirates stumble upon an enormous hole in the ocean, at the bottom of which lies a mysterious island known as the "Ocean's Navel". The Straw Hat Pirates resolve to find the island's treasure, which can supposedly grant any wish, but the island's inhabitants possess agendas of their own for their new guests...
Practical Effects
Bizarre underwater creature designs that scream early 2000s Toei
Acting
Tanaka's Luffy voice already perfectly locked in at age 20
Direction
Kaizawa squeezes a full adventure into 49 minutes
Director
Yukio Kaizawa
Trivia, insights & behind the scenes
This TV special aired between the Arlong Park and Loguetown arcs, making it one of the earliest standalone One Piece animations.
The 'Ocean's Navel' concept riffs on Japanese folklore of mysterious islands appearing and disappearing—fitting for a series obsessed with uncharted territory.
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