The singing/songwriting duo of Tommy Boyce and Bobby Hart, whose other Screen Gems TV credits included episodes of The Monkees and The Flying Nun, appear as themselves in this episode of Bewitched. When Boyce and Hart's agent, Chick Cashman (Art Metrano), turns down Serena's invitation to appear before the Witches' annual Cosmos Cotillion, Serena retaliates by casting a spell which robs the performers of their popularity. Elizabeth Montgomery plays the dual role of Samantha and Serena, and in the latter guise performs the Boyce-Hart composition "I'm Gonna Blow You a Kiss in the Wind," while the duo themselves perform "I Wonder What She's Doing Tonight?" Written by Richard Baer, "Serena Stops the Show" originally aired on February 19, 1970. ~ Hal Erickson, Rovi