Ken Jennings

Happy Gilmore isn't done with golf — not by a long shot. Since his retirement after his first Tour Championship win, Gilmore returns to finance his daughter's ballet classes.

Alex Trebek hosts a documentary about television game shows featuring interviews with a number of game show hosts and producers.

Brad Williams is only the second person ever studied by neurologists for the newly-identified syndrome called "hyperthymesia", an extremely detailed form of autobiographical memory for events both global and personal, monumental and trivial. UNFORGETTABLE follows Brad's adventures as his rare mental gifts vault him from small-town anonymity to sudden mid-life notoriety.

Michael Strahan sits down with host Alex Trebek in a candid interview. Trebek talks about his life, his cancer battle and the upcoming "Jeopardy!" host episode where the show's greatest competitors face off.