Demond Wilson is the only actor to appear in every episode.
Lamont has no first name. "Lamont" is his middle name because Fred and Elizabeth couldn't think of a proper first name for him. Yet in the third episode as Lamont is about to get married his name is revealed to be Lamont Grady Sanford.
Esther hit Fred in the back of the head with her purse, yet Fred has a huge bandage on his forehead. What is the bandage for, let alone why is it on his forehead?
In the scene where Fred is pouring a whole pitcher of water on himself, you can see when Redd Foxx stands up, that Lynn Hamilton and Demond Wilson are both trying to keep a straight face as they see redd soaking wet, but it's not working. You can see both the actors laughing. Even Redd Foxx is snickering a little.
In this episode, Lamont states that his birthday is not until February. But in the episode Libra Rising Over Lamont, he told the medium his birth date is September 28, 1940.
The song that Fred and Della sing together in the recording studio is Ease on Down the Road from the stage musical (and later movie) The Wiz.
The creator of Steinberg and Son Bernie Taub takes his name from the two writers of the episode: Bernie Orenstein and Saul Turteltaub.
Even though Redd Foxx was born in 1922, Fred Sanford was born in 1908.
When Fred is crossing the street shortly after he arrives in Vegas, one of the cameramen is clearly visible in the bottom left hand corner of the screen.
When Fred rushes the Johnsons through the house in an attempt to get them in and out before the quake, he takes them upstairs and out of the camera's view. What we hear is suppose to be Fred moving up and down the hall opening and closing doors to each room very quickly. However you can see his shadow on the wall as Redd Foxx is obviously standing still opening and closing a prop door just out of view of the audience.
When Fred is hitchhiking and shouts "You bigot!" you can hear the wind blowing against his microphone.
When Fred punches Junior, it's clear that he doesn't come anywhere near his face.
In this episode, it is mentioned that Fred and his friend Leroy are no longer on speaking terms. Actually, Leroy Daniels who played the character Leroy, had left the show.
Fred says that Lamont "happened" in 1942 but in the episode "Libra Rising Over Lamont" it was said that he was born in 1940.
When Lamont and Fred are talking in the kitchen (just before Ah Chew enters) you can see the shadow of the boom mike pass over Redd Foxx's head.
Actually Lamont in French means "The Mount". "Big Mistake" in French is "grande erreur."
The words "Fred Sanford" are spoken in this episode 32 times.
The song Fred was listening to was "Shake That Thing". Fred also mentioned other songs from "Blind Mellow Jelly's" time, like "Shimme Sha-Wabble", "The Wang-Wang Blues", and "It Must Be Jelly ('Cause Jam Don't Shake Like That)." They may sound unusual, but those are all titles of actual songs from that period!
In a previous episode, "Jealousy," Donna has a patient named Osgood Wilcox. But in this episode, he is referred to as Osgood Perkins.
A year later in 1974, The Three Degrees had a Number 1 hit with "When Will I See You Again."