After April's performance, the Captain announces that April will soon be performing at Brutus Palace in Las Vegas. The name of the casino is an obvious takeoff of Caesars Palace. Brutus is the name of a character in Shakespeare's play "Julius Caesar."
Don Adams mentions "the old peanut trick", a reference to his TV series Get Smart, where his Maxwell Smart character would often mention "the old _____ trick".
Don Adams and Bernie Kopell previously appeared together on Get Smart (1965). In that series, Don Adams was the star and Kopell was a frequent guest star. In this episode, Kopell is a star and Adams is a guest star.
When Don Adams and Juliet Mills are sitting on the bed. Telling him that she made a carbon copy of the script. He called Her a witch. She played a witch 19 years later in NBC show called Passions.