When Barney exits the courthouse dressed as a woman, his dress features small floral patterns with a bit of lace at the top, held by a diamond pin. As he begins to walk down the street, the floral pattern becomes larger and the lace disappears, leaving the pin to hold the dress at the top.
When Aunt Bee is cooking, she touches her cooking pot lid, acts like it's hot and uses a pot holder, then picks up the lid a second time without using the pot holder. The third time she picks up the lid, she uses the potholder.
Andy discovers the gambling that is taking place in Floyd's barber shop through Sarah, the Mayberry switchboard operator, who has been eavesdropping on private phone conversations. This likely would get the case thrown out in court, because the arrest would have come about due to what amounts to an illegal wiretap. The legal phrase is that the arrest would be "fruit from a poisoned tree." Andy is aware of this in "The Tape Recorder" (s8e8), when he tells Opie that he cannot use evidence against a prisoner obtained by eavesdropping when Opie uses a tape recorder to listen in on a conversation.
It may be possible that there may be some sort of legal exception for party lines.
It may be possible that there may be some sort of legal exception for party lines.
Barney suggests he be the "police spy" and place a bet with the bookmakers because "they ain't never seen me before." In fact, two of them walked right by Barney earlier, one leaving and one entering the barber shop.
When Mr. Medwin leaves Floyd's barber shop, the camera starts moving right to left and Ron Howard looks right into the camera before turning back toward Andy.
Floyd mentions to Andy and Barney that the new barber has customers who pay 80 cents for a shampoo. All three act as if the price and the idea of a man getting a shampoo is something very exotic. In fact, a sign is visible many times in Floyd's barber shop that advertises a shampoo for 75 cents, among other offerings.