The final joke of this episode has Archie push Mike's face into the cake and Mike (being Mike) eating the frosting instead of wiping it off. But as the camera angle changes you can see Rob Reiner spit the blob of icing back into his hand just as the shot fades out.
According to the quiz, Edith will outlive Archie. Ironically, Edith passes away from a stroke on Archie Bunker's Place, leaving Archie a widower.
We learn the name of the company Archie works at when he reads it off a company pen: Prendergast Tool & Die Company.
This is the only time George Jefferson flushes four toilets in the apartment.
We find out that The Jeffersons have four bathrooms in their apartment.
Edith gave Louise fruit for her subway ride to Manhattan, but in the opening credits to 'The Jeffersons', Louise and George took a cab.
In this episode, George says he rented a limo to "leave Bunkersville in style". However, in the opening credits of The Jeffersons, they are riding in a taxi.
While Archie is trying to sell George aluminum siding, you can see the Jefferson's house next door through the back door, and it already has aluminum siding on it.
When Mike and Gloria are sitting on the couch , speechless after what Archie just said, you can see something moving in the window, through the curtains, right over Gloria's left shoulder.
Charlotte Rae, who plays Lillian Henderson in this episode, is best known as Edna Garrett, from the popular television show Diff'rent Strokes, and it's spin-off The Facts of Life.