I have seen a lot of crap live-action animated kids films, and "Sonic the Hedgehog 3" stands out as one of the much better ones. It doesn't achieve the level of cinematic impact as "Who Framed Roger Rabbit," which is unloved by me but certainly appreciated, but so what? It's fast moving, silly, illogical, irrelevant, not-quite-funny but consistently amusing time at the movies and a hell of a lot better than, say, the god-awful "Tom & Jerry" movie.
"Sonic the Hedgehog 3" is marginally better than "Sonic the Hedgehog 2," which in turn was marginally better than "Sonic the Hedgehog." In other words, it's far better than it has any right being. This is of course the third film based on the popular video game, and I'm not sure if you need to be at all familiar with the franchise to get enjoyment out of this closing chapter of the Hollywood trilogy, but I was most definitely thoroughly entertained.
The plot, if you could call a third film about a super-fast, wise-cracking CGI hedgehog and his CGI friends having anything but a threadbare narrative, finds Sonic (voiced nicely by Ben Schwartz) and his pals Tails (Colleen O'Shaughnessey, returning from the video games) and Knuckles (a perfectly cast Idris Elba), who are celebrating the titular animal's "beEarth day" (recognizing his first "day" on Earth, or however it's spelled) when they're called into action to stop a mysterious new threat: Shadow the Hedgehog. Keanu Reeves lends his voice here, an actor who's physical presence is usually better than his actual voice. He's fine, I suppose, but no one watches "John Wick" to hear Keanu speak.
He also needs to contend with Jim Carrey in a dual role, playing both Dr. Robotnik AND his grandfather Professor Robotnik, and he is as unhinged as ever. He's given free-rein to walk funny, talk funny, say funny things and pretty much, relive his glory days from the 90's. I love watching his flexible body slink around in ridiculous poses, contorting his face like a live-action cartoon; frankly, he's got a head more expressive than any of the actually animated ones. And having him play two different characters, gosh, it's wonderful. The world is a darker place when Mr. Carrey isn't goofing around onscreen.
But the plot, yes, see, it's explained that Shadow was found by scientists fifty years ago, and befriended the professor and his late granddaughter until G.U.N., the Guardian Units of Nations, try to take him away, which results in her death. It's a depressing detour from an otherwise candy-colored and coated story, but whatever; Shadow is thusly more "anti-hero" than villain, though that doesn't stop him and the old man from returning to exact revenge on humanity via space lasers.
It doesn't matter though- Jeff Fowler's direction is crisp and films the large quantity of action clearly so you can actually see what's happening, be it in Green Hills, Montana or London or even the moon. The superhero genre should be taking notes here. And the script, which somehow has three credited screenwriters (Pat Casey & Josh Miller and John Whittington), is lighthearted enough that a child's death isn't too much of a downer. It actually gives just enough humility to an otherwise saccharine experience, one where Jim Carrey has a duet with himself and occasionally speaks French.