Dennis Cole (Tony Bordinay) and Jaclyn Smith met while filming this episode and eventually married. Cole later appeared as different characters in season two's Unidentified Flying Angels (1977) and season three's Terror on Skis (1979).
The line of William Shakespeare quoted by Bosley when held at gunpoint by Kelly and Cruz ("tomorrow and tomorrow and tomorrow") is taken from MacBeth, Act 5, Scene 5.
Towards the end Jill sings "I won't dance, don't ask me," the first line of a song by Jerome Kern, Oscar Hammerstein II, and Otto A. Harbach.
The title is based on the 1931 song "Dancing in the Dark" with music by Arthur Schwartz and lyrics by Howard Dietz for the revue The Band Wagon. It became a big hit with the big bands of the swing era.
Sabrina makes a joke about Julie Andrews singing "I Could Have Danced All Night," a song written by Frederick Loewe and Alan Jay Lerner for the stage play My Fair Lady.