Watch: How a small Olympic miracle rescued swimmer Missy Franklin's dad

Olympic gold medalist Missy Franklin's father, Dick, needed a miracle. But just when all hope seemed lost for a kidney donation, fellow gold medalist Crissy Perham came to the Franklin family's rescue. Chasing Gold: Paris 2024 is a new monthly show hosted by Mike Tirico and Maria Taylor that explores the worlds of Olympic and Paralympic athletes as they prepare for Paris 2024. Watch the full episode Christmas Eve, 12/24 at 3 p.m. ET on NBC & on demand at www.PeacockTV.com.