The Diffy family left on vacation from the year 2121 but their rented time machine malfunctioned and they were thrown into the year 2004. Now Lloyd, his part-robotic wife Barbara, and his kids Phil and Pim, are forced to pretend to be a normal family in suburban Pickford. Phil befriends Keely Teslow to keep their secret and together the siblings deal with school, bullies and homework without getting found out.