Fantastic Fireworks: In the final scene, the fireworks that Hoss had ordered finally arrive ... and a mistake causes them to go off, giving the Ponderosa an early Fourth of July show!
Mail-Order Bride: The company that Hoss orders fireworks from really (and royally) screws up his order. Instead, he gets a beautiful young Chinese girl who is determined to make the middle Cartwright son hers and hers alone.
Yellowface: Marlo Thomas wears makeup for her character as Tai Lee, the hard-headed Oriental girl who tries to win over Hoss.