Gordie Howe - quite possibly the greatest hockey player of all time - appears on What's My Line in the early 70s. Appearing at the end of the segment *also* are his sons Mark and Marty. As if having a hockey legend and two other fine players in their own rights weren't enough, if you look on the panel you can even catch Col. Klink from Hogan's Heroes, Werner Klemperer. As someone who happens to be a game show fan, an old sitcom fan, and a HUGE hockey fan - this is a dream clip for me ...