Floyd the Barber (Howard McNear) is mentioned and the opening scene takes place in his barber shop, but in real life he suffered a major stroke and wouldn't return until Season 4, noticeably slimmer and unable to walk without assistance.
Bing Russell, the actor who plays Mr. Burton, the blasting foreman, is the father of Hollywood superstar Kurt Russell.
As the goat approaches and enters the dynamite shed, the background music bears a striking resemblance to part of the "Wedding" section of the "Lieutenant Kije" suite by Sergei Prokofiev, both in instrumentation and rhythm.
Andy asks Barney if he has his "French Harp," an American term for the harmonica.
Don Knotts was musically talented with a harmonica. He played one earlier, in Season 1, Episode 3, "The Guitar Player" as the episode concluded and the show's closing credits started.