Dionne Warwick (while in character as Thea Moran) is clearly wearing a necklace with the initials 'DW' throughout the episode.
Even though both Dionne Warwick and Isaac Hayes are known primarily for their work in the music business, the songs sung in this episode were written by Stevie Wonder. The only work of both artists, was Make A Little Love To Me, which is available on the Songs of Isaac Hayes album.
In this episode, Gandolph Fitch calls Rockford by his real name for the only time.