Barney's self-esteem is at a low ebb when he tries to stop a robbery at the Mayberry Security Bank only to find that it's only the bank's President Mr. Meldrum going to work. Word is soon all over town and he's a laughing stock. When he and Andy along with their girlfriends Thelma Lou and Helen go on a picnic, Andy and Helen explore an old abandoned cave and are trapped in a cave-in. Barney rallies the entire town and leads a mammoth rescue operation, the only problem being that Helen and Andy have found another way out and aren't in any danger. Andy realizes that after the incident at the bank that morning, there better be someone in that cave for Barney to rescue.
—garykmcd