Planet 51

Captain Baker, an American astronaut, discovers Planet 51. He thinks it is an uninhabited* planet. But little greean people live there, in a world that looks* like America in the 1950. The aliens* think Captain Baker will attack them, so they try to kidnap him. He must find a way* home before it's too late.

Uninhabited: deshabitat.
Looks: sesembla a
Aliens: extraterrestre
Way: camí.