In this episode, the Howells state they don't have a son and always wanted one when they decide to adopt Gilligan and make him "Gilligan Thurston Howell IV" yet in the TV movie "The Harlem Globetrotters on Gilligans Island" they have an adult son (Thurston Howell IV).
Per the title, the original Broadway production of "My Fair Lady" opened at the Mark Hellinger Theater in New York on March 15, 1956, and ran for 2717 performances, which was, at the time, the longest run a Broadway show had ever had. The original production is still the eighteenth-longest-running production in Broadway history. The show won the 1957 Tony Award (New York City) for the Best Musical.