Step Out of Your Box

For the final challenge, the women didn't wear knee pads, parachutes or...anything at all. As Ali starts to strip down on the beach for the skinny-dipping challenge, the women are all in shock. "Are you serious?" Yanick asks. "She's kidding. She's kidding."

Eventually, the women realize this is not a joking matter. Slowly, all the women but Robin run—completely naked—into the ocean. "The great thing about these three things was that you couldn't predict who was going to excel," Ali says. "I was thinking: 'There's no way Jane's going to get naked. I can just tell.' ... As soon as I showed my girls, [there's Jane], naked, running past me into the ocean."

More here at Oprah's site