Wilma's maiden name is referred to as Pebble in this episode. However in all other episodes it's Slaghoople.
Howard Morris voices Rodney Whetstone and Dr. Pilldown. He's also known for playing Ernest T. Bass on The Andy Griffith Show.
Stone Valley is a play on the Sun Valley resort in Idaho.
Conrad Hailstone is a play on hotel magnate Conrad Hilton.
Betty & Wilma drive by a circus parade from Barnacle & Shaley, a play on the Barnum & Bailey Circus.