Link to What to Watch: In Theaters and On Streaming. Rover and Dog in "Planet 51." (Front L-R) Chuck (voiced by Dwayne Johnson) and Lem (voiced by Justin Long) in "Planet 51." (L-R) Neera (voiced ...

At least to U.S. astronaut Captain Charles T. Baker who lands on Lem's planet hoping for a quick flag plant and a hasty return to earth and his millions of screaming fans. But on this alien planet ...