Frank Zappa made two appearances with The Monkees on television and film. In December 1967, Zappa filmed a spoof with Mike Nesmith that appeared at the start of the 57th episode of the series, "The Monkees Blow Their Minds." He later made a cameo in Head as 'The Critic.'
Years later, Micky Dolenz recalled how Zappa asked him to drum for his band, The Mothers of Invention. Click here to read a portion of an interview where Micky discusses how Frank Zappa got involved with The Monkees and more.