16 Things the Producers of ‘Three’s Company’ Hid from Fans

4. The cast almost sang the theme song

The show’s theme song was written by Joe Raposo who also wrote the theme songs for Sesame Street and The Electric Company. Initially they thought they wanted the cast to sing it but that didn’t work out and other people were hired. “Come and knock on our door…”

5. The child in the credits is Jason Ritter

While shooting the opening credits for season six to eight, a young Jason Ritter, son of John, ran into the shot and they decided to keep it. “I just walked into the shot and it made Joyce DeWitt laugh so they kept it in the opening credits.” Jason Ritter followed his father into the acting business and has had roles in Joan of Arcadia, The Event and Parenthood.

6. Landlord Stanley Roper was inspired by a real guy

Norman Fell was inspired by a real guy for his role as Stanley Roper. “I was thinking of a guy I really know in Philadelphia. The clothes are all wrong … He was innocent and a guy who just can’t do things right, whether it’s being with a woman or fixing something. And yet he thought he was the cat’s meow. He thought he was attractive, he liked his clothes. He thought people were looking at him because of how well-preserved he looked. He thought he was all things he’s not.”