After their trip to New Zealand, the contestants arrive back on the ranch. Austin reflects on the fact that he is truly on his own for the first time following his father’s elimination. He resolves not to disappoint his father and to remain on the ranch. Irene hopes to be the first woman to lose 100 pounds (she has lost 98) and reflects on the pressure of being the Biggest Loser up to this point.

Alison announces that they are bringing back some previous contestants this week but are also bringing in some surprises. Sam from Season 9 and Ali from Season 5 are waiting for this year’s contestants in the gym. Sam and Ali recount their experiences on the ranch and with the Biggest Loser before leading a grueling circuit training session. Ali and Sam prepare a healthy and delicious meal for the contestants highlighted by a wrap with hummus, cherry tomatoes and grilled onions.

The contestants head to the speedway to take part in the Season 7 “Get Back On Track” car pull. Before starting, Alison reveals that the contestants will be competing against the woman that won the original challenge, Season 7′s Tara. Tara plugs her foundation, Inspire Change and announces that she is competing in an Ironman challenge. The first person to pull their car over half a mile will win a VIP pass to the Richmond International Speedway, five thousand dollars and the opportunity to be featured on a Wheaties box. Rulon and Tara spend the race neck and neck with Austin very close behind. After reviewing that tape of a photo-finish, Tara noses out Rulon’s car and wins the prize package.

The contestants return to the ranch for a last chance workout that Bob ensure will count. The purple team pledges to both make the final four, and Austin tries to find standards to live up to now that Ken is gone. Cara notices Rulon seems a bit off, and he tells her that he’s searching for his own path and to learn about his own personal issues. Jillian sits down with Irene to convince her that what she has accomplished is worth everything that she’s getting. She has lost 98 pounds and is the Biggest Loser up to this point, but feels she is putting undue pressure on herself. Jillian breaks through and Irene admits that was she has done and what she has become is just as impressive and she thinks it is.

Rulon begins the weigh-in with an announcement and jogs up to the scale to give it. He shocks everybody by requesting to leave the competition for personal reasons. Alison grants his request, but the remaining contestants and trainers are shocked by this development. Rulon hugs each of the trainers but gave his fellow contestants a dismissive wave as he left. He is the only contestant to quit in the history of the show. It is speculated, however, that he may have actually been disqualified.

Bob admits his shock and says that Rulon was set up to win the show. Regardless of Rulon’s departure, the weigh-in continues and Irene steps up needing to lose two pounds to reach the 100-pound milestone. She loses 3, which elicits a high-pitched squeal of excitement from Hannah.

Kaylee approaches the scale hoping to avoid another bad week on her roller coaster of weight-loss. She is visibly frustrated when the scale shows a two-pound gain. Brett expresses confidence in Kaylee’s attitude and mindset.

Austin heads up the steps with confidence that he can do this for him and not for his dad or anyone else. A seven pound loss is his reward for hard work and his smart decisions on his own. Olivia loses six pounds and Jay loses seven pounds to continue their impressive numbers.

Kaylee falls below the yellow line and she will be joined by either Irene or Hannah. Hannah loses five, keeping herself safe and putting Irene up for elimination.

Austin votes for Irene, citing his friendship with Kaylee and the way that she pushes him to better himself. Both purple team members vote for Kaylee, eliminating her.

Kaylee reflects on everything that her unexpected pairing with Brett and Cara has done for her and her father. She cherishes the time she was able to spend with her dad and the things that she was able to experience with her. She vows to be the hottest Tongan on the show!

Kaylee is down around her goal weight and introduces her to the new beau in her life – Vance from the also-ran White team. She hopes to become an M.M.A. trainer and maintain her goal weight.

This was the 17th episode of the 11 season of “The Biggest Loser. It first aired on NBC Network April 26, 2011.

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