Late 1960s: Bob asks the wives what their husband's favorite kind of gas is. It quickly gets out of control when the first wife asked keeps coming up with "the rectal gas", and despite the fact that the judge wouldn't accept it, she couldn't think of another answer.
One of Eubanks' favorites was a Dumb Blonde who was baffled at the terms "rural" and "urban" after being asked which one described her husband better. Eubanks asked whether the doctor had given him anything for his urban, and she said "Well, he gave me something!"
"In our house, the power flows from the [blank] to the [what]?" "From the plug to the vibrator." This one is so out there that it's often said to be fictitious, but clips of it invariably turn up on blooper specials.
1978: Pat & Charlie Berg, an older couple who heavily resembled (and sounded like!) Archie & Edith Bunker. They also gave us the famous "Closet Queen" moment.
"Gentlemen, what would you wife say your neighbors have more of than you?". The husband guesses "cars", but his wife said "grass". She says "They have more grass...", but when she realizeswhat she said, she adds "We have none!", making him say "I wouldn't bet on that!".