Will, a street-smart teenager, moves from the tough streets of West Philly to posh Bel-Air to live with his Uncle Philip, Aunt Vivian, his cousins — spoiled Hilary, preppy Carlton and young Ashley — and their sophisticated British butler, Geoffrey. Though Will’s antics and upbringing contrast greatly with the upper-class lifestyle of his extended relatives, he soon finds himself right at home as a loved part of the family.

An alien determined to capture human females takes over a radio station to do it.