1. Jerry Van Dyke was the first choice to play George Utley, but his audition for the role was unsuccessful.
2. Larry always wears a quarter in his ear.
3. Exterior scenes of the Stratford Inn were those of the Waybury Inn in Vermont.
4. Early episodes of the show were videotaped, later episodes were filmed.
5. The opening credits are outtakes of On Golden Pond (1981). If you look closely you can see Henry Fonda and Katharine Hepburn in the car. (that's why I say the opening theme is one big joke...that and the Henry Mancini theme song!-DCM).
6. Julia Duffy was pregnant during several episodes of the show and had to hide her condition by wearing baggy clothes and standing behind furniture.
7. Larry, Daryl and Daryl were supposed to be one time characters but the studio audience's reaction to their introduction was so spontaneous the producers used them again.
These facts copied from the WGN America website.