50 Grand Slam is a game show from Ralph Andrews Productions that aired on NBC from October 4 to December 31, 1976. Tom Kennedy hosted the show, with John Harlan as the announcer.It premiered and ended on the same day as the show that preceded it on the NBC schedule, Stumpers!, which was hosted by Allen Ludden, who appeared at the beginning of the premiere to wish Kennedy luck (Kennedy also appeared on the first episode of Stumpers! to wish Ludden luck).