Opening Bit: The BBC interviews Hazel Strong. (Laurence Dunn and Joan Bledig.) Jim Hadac and Elmo try to see “The 300” at Navy Pier, but it's sold out. Clip: Johnny Weissmuller appears with Groucho Marx on “You Bet Your Life.” Johnny says the crocodiles he wrestled were real, but Groucho isn't buying it: “How is it when the crocodile turned over, it said Goodrich on the bottom?”