ALF hits his head and is convinced he is an insurance salesman. The Tanners try reviewing past events to try and jog his memory.
The Tanner family is an average American family. One day, they discover that they have a visitor. He's small, he's furry, he's arrogant, and he's an alien from the planet Melmac. Unsure what to do, they name him ALF: Alien Life Form. Alf soon decides that as much as he misses his home planet, there's a lot to be said for Earth: the Tanners are willing to concede anything as long as he doesn't announce his presence. Oh yeah, the Tanners also have a cat, which looks rather tasty...