Luffy finds an invitation to the Omatsuri island resort. On their arrival, they meet the Baron of the island who sends the crew off a series of challenges. However, crew members start to disappear and the island's mystery unfolds.
One Piece: Baron Omatsuri and the Secret Island
2005
for 2005 in Best Animated Film of Each Year
Suggested by aleksimalkavaara
You know the drill.
