How could a list of underrated comedies be complete without this gem? “BASEketball” is without a doubt the funniest film centering on a made-up sport. And at that, we’d even be willing to say it’s one of the funniest sport movies, period. That is no easy task, until you not only realize that this film stars the geniuses behind “South Park,” Trey Parker and Matt Stone, but it was also written by David Zucker, the man responsible for such parody classics as “Airplane!” and "The Naked Gun” films. Sadly, the film has just barely made it’s way to cult status, and has still been vastly underwatched.