Revealing mistake: Oliver and Eb cast shadows on the painted backdrop as Mr. Haney drives up.
Other mistake: When the phone pole was installed with a "butt set" to talk with, they used it upside down for a long time. Someone must have brought it to the director, because they finally corrected the problem.
TV Kiddie Show Host: Sure, I remember that kid, he had on the most realistic looking pig costume I've ever seen. He won first prize.
Oliver Douglas: No, you don't understand, Arnold is a real PIG.
TV Kiddie Show Host: I'll say he is! We had five gallons of ice cream for those kids, and he ate every bit of it himself.
More trivia for Green Acres