Oliver's suggestion that he looks like The Beatles when he wears the powdered wig has to do with the Fab Four setting the trend of males wearing their hair long.
Eunice tells Oliver to stop saying "Hooterville" because it sounds like a place owls go to mate.
Lisa cooks "hotskabobs." She steals a shaft off the tractor and sticks it through several of her regular hotcakes.
This is the third of 15 appearances Robert Foulk makes in the series. In his first 11 appearances, he plays Hooterville farmer Roy Trendell; in his last four appearances, all in season six, he also plays a farmer, but farmer Wheeler, the father of Eb's girlfriend Darlene.
Oliver puts on a judges powered wig and says it makes him look like an old Beatle.