(S09E05) This was the week the Blue and Yellow teams have been waiting for. After four weeks at home, working out without their trainers, both teams were back on campus to see which would be allowed the chance to return to the show. It came down to which pair had the highest percentage of weight loss.

But before they got on the scales, Bob and Jillian treated them to their first -- and for one of them, their last -- "Last Chance Workout." I couldn't help but feel for the team that was going to be heading home again. Twice they'd come to the Ranch to participate in 'The Biggest Loser,' and twice they'd come up short. At least they still had the chance at that "At Home" prize.

This week also saw Alison handing out immunities like they were going out of style, as well as a two-pound penalty to the team to finish the week's challenge last. I'm a huge proponent of this element being added, as it keeps the incentive on the contestants to give it their all until the finish.

To start the new season, the 11 teams were told that they would have to participate in their first weigh-ins at home, in public, in front of their friends and families.

Upon their arrival at the Ranch, the first challenge began. Teams had to pedal a combined 26.2 miles (the length of a marathon) on stationary bicycles. The last two teams to finish would not even make the journey to the house, and were told that they would be going home. It was Yellow and Blue, but they learned they weren't through yet. They had 30 days at home, and then they would face off against one another back on campus. The team with the highest percentage of weight loss would be allowed back in the game.

At the first weigh-in, it was the self-proclaimed "half-ton twins" who slipped below the yellow line. While both tried to sacrifice themselves for the other, it was James' knee injury that was considered, and he went home.