The Hitchhiker's Guide to the Galaxy

Arthur Dent (Martin Freeman) is a very ordinary man who is having a truly unusual day -- after discovering that one of his best friends, Ford Prefect (Mos Def), is actually an alien, Ford tells him that the planet Earth is going to be destroyed so that otherworldly forces can make room for construction of a hyperspace bypass. Since Arthur accidentally saved Ford's life years ago, Ford does him a favor -- he first gets him a ride on a spaceship passing by, and then presents him with a guidebook that will tell a beginner everything he needs to know as he hitchhikes through outer space. Along the way, Arthur encounters such interstellar notables as sleazy Galaxy president Zaphod Beeblebrox (Sam Rockwell), the girl of his dreams Tricia McMillan (Zooey Deschanel), perpetually glum robot Marvin (voiced by Alan Rickman), interplanetary construction magnate Slartibartfast (Bill Nighy), and cult leader Humma Kavula (John Malkovich).