Four months after his first appearance, Steve, the Unhealthiest American, returns - and the results are unexpected. After starting off strong, Steve admits to losing steam and slacking on his health regimen. Dr. Oz and his team, dietician Kristin Kirkpatrick and The Biggest Loser's Bob Harper, regroup to get Steve back on track. Watch Bob Harper's gym ambush. Click here to follow Steve's progress. Click here to see where Steve was just months ago.


Click here to watch Part 2. Dr. Oz gives Steve the straight facts and draws up a new 4-step plan to help him stay motivated.

After years of trying to get pregnant, doctors told Kelsi Pierce it would be near impossible for her to conceive a child. However, Kelsi got the surprise of her life when her mom volunteered to be her surrogate — and she found out she, too, was pregnant!