If you loved Digimon Frontier: Revival of Ancient Digimon, try One Piece: The Desert Princess and the Pirates: Adventure in Alabasta
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
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Digimon Frontier: Revival of Ancient Digimon
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One Piece: The Desert Princess and the Pirates: Adventure in Alabasta
What they share
Both films are directed by Takahiro Imamura, and they both carry the playful mood tag, and they sit in Action / Animation territory. If that's the register that drew you to Digimon Frontier: Revival of Ancient Digimon, the second film will land in a comparable space — through a different lens.
playful
What One Piece: The Desert Princess and the Pirates: Adventure in Alabasta is
Apparently someone needs to save a kingdom. The Straw Hat Pirates get involved in Alabasta's civil war. It all goes predictably chaotic.