9. THE GIRLS WEREN’T SO SWEET AND INNOCENT OFF-CAMERA, THOUGH
Garry Marshall frequently brought his young children to visit Stage 19 at Paramount Studios to watch Happy Days being filmed, but he forbade them from venturing over to Stage 20, which was Laverne & Shirley territory. The Happy Days cast and staff were almost as wholesome in real life as they appeared onscreen, but the Laverne & Shirley actors’ off-camera dialogue was peppered with foul language unsuitable for tender young ears.