For all those nods to One Piece’s past, One Piece Film: Red is entirely accessible to newcomers. Even people who’ve never seen a single episode of the show or read any of the manga can still follow and enjoy Red. Some of the details will fly over their heads, but the lively story and engaging songs should keep them entertained.
One Piece Film: Red sails a fine line, its story beats familiar enough for the newcomers, with details as bizarre and garish as a “One Piece” story could possibly get.
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Screen Rant
Screen Rant
One Piece Film: Red is the best movie in the franchise and an entertaining experience for its audience, who should be ready to shed some tears, too.
Even for those who aren't quite warm to the art style of "One Piece" (ie, yours truly), the film pummels you with so much color, so much style, so much Looney Tunes-style madness, that you can't help but be a little impressed.
If you’re at all curious about “One Piece,” you might still enjoy One Piece Film Red, since it’s a better-than-average highlight reel for Oda’s ingratiating and vividly realized characters. Just don’t feel bad if you exit the theater feeling confused and a little unfulfilled; this new feature’s more of an oversized sampler platter than a full-sized meal.