Neera (left) is voiced by Jessica Biel and Lem (right) by Justin Long in the animated flick. As fresh as the latest issue of The Saturday Evening Post, “Planet 51” occupies the same comedy galaxy as ...

‘Planet 51″ is a perky though not terribly imaginative feature aimed primarily at youngsters. The digital cartoon is a jokey re-imagining of 1950s science fiction flicks where Earth faced extinction ...

Worlds collide in more ways than one in the intergalactic “Planet 51.” An animated alien science fiction comedy featuring Cold War social commentary and impressive CGI graphics, the film inverts the ...

Characters Lem, voiced by Justin Long, and Chuck Baker, voiced by Dwayne Johnson, right, are shown in a scene from the animated feature ’Planet 51.’ How might a kid — OK, a teenager — protect himself ...

A genial but generic riff on sci-fi movie history, "Planet 51" has barely enough slapstick to keep the kids interested. Children won't get the many sci-fi movie references, and adults probably won't ...