Sanford and Son Season 2, episode #1--"The Light Housekeeper"-- In the blue/green sugar bowl on the table, it shows 1 spoon when Lamont brings it in. Then they cut back and forth and now we see 2 spoons.

But....

Then when Ethel comes in and sits down, there are 2 spoons, they cut to Fred--Ethel--Fred--and now there are no spoons in the sugar bowl.

This slipup takes place between 4:00 and 7:52 of the episode.