David moves out after getting a job at a theme park known as "the happiest place in Illinois", where he's soon transformed into an ultra-perky worker with an eerie smile.
The show portrayed a working-class family struggling to get by on a limited income in the fictional town of Lanford, Illinois. Many critics considered the show notable as one of the first sitcoms to portray an American family in which economics necessitated two parents working jobs outside the home.