...a sweet and endearing movie.
—Billy Heller New York Post
If you're pining for the richness of a Pixar film, or even for the crackerjack comedy of, say, Kung Fu Panda, look elsewhere. Yet the new Astro Boy is a marvelously designed piece of cartoon kinetics, with the pleasing soft colors and rounded-metal tactility of an atomic-age daydream.
—Owen Gleiberman Entertainment Weekly
...better than most of its recent competitors, such as Monsters vs. Aliens and Kung Fu Panda.
—Roger Ebert Chicago Sun-Times
Derivative bits aside, the pint-sized Japanese icon takes flight in vibrant CG animation -- no 3D glasses required.
—Michael Rechtshaffen Hollywood Reporter
...a well-oiled CG-animated superhero pic that makes up in competence and vitality what it lacks in originality.
—Andrew Barker Variety
...succeeds at creating a complex world filled with second-class robots and sometimes careless, greedy humans, providing food for thought and animated thrills for adults and kids alike.
—Adam Keleman Slant Magazine
...feels derivative but moderately entertaining, particularly in some of the highflying visuals.
—Claudia Puig USA Today
Astro Boy represents everything that's wrong with the current crop of animated CG films. A generic and clueless combination of previous underachievers like Robots and Shark Tale, it tries to be everything to everyone -- sci-fi epic, kid-friendly comedy, touching parent/child drama, and future shock satire -- and succeeds at none.
—Bill Gibron filmcritic.com