Twelve-year-old Owen Baker (Liam Aiken) has been working as a dog-walker all summer, and his hard work has finally paid off - he gets to adopt a dog of his own! But Owen gets more than puppy love when he discovers his new dog, Hubble (voiced by Matthew Broderick), is actually an interplanetary scout from the Dog Star Sirius. Thousands of years ago, dogs from Sirius came to colonize and dominate Earth. more