Mr. Lynn Aloysius Belvedere this is Harry Doyle, will you show him to the front row? Mr. Belvedere was released on March 15th 1985 on the ABC network and it ran until July 8, 1990. History: The sitcom was based on a Gwen Davenport novel "Belvedere," which in turn was adapted to the big screen. "Mr. Belvedere" is a British butler Lynn Belvedere, who takes a job as a live-in nanny for a typical American family and records their everyday experiences in his diary for future use in writing a novel. A