The "Gilligan's Island" theme has been a beloved piece of TV history that immediately conjures fond memories of the early-'60s sitcom. Unless, that is, you happen to be the neighbor of billionaire Bill Gross. What on earth does this one-percenter and his neighborly disputes have to do with "The Ballad of Gilligan's Isle?" Allow us to recount what remains an unseemly stain on the history of one of TV's greatest sitcoms and its legendary theme song.