Even by the silly standards of the series, “Step Up Revolution” giveth, and it taketh away. There’s too much color and energy and frenzy in this movie to discount it entirely, but it has a disconcerting tendency to undercut its best notions with some singularly awful moves.
Some of these flaws pop up in the script — never the strong suit of the “Step Up” franchise, of which this is the fourth — but others have to do with where these movies excel, which is in the presentation of impossibly beautiful young dancers executing eye-popping, elaborately choreographed hip-hop moves set to an endless wall of fat beats.