Chris and Heidi have a challenge for Jeff and Juliana.
It was a bumpy road, but here are the results of Jeff's year.
Jeff and Juliana toss around the pigskin with the Pro Bowl wide receiver.
See how far Juliana has come in one year.
She tells her father that she feels like she never had a dad.
Rod used rigorous medical testing in his transformation.
Carla shows Rod some healthy eating tips.
See if Rod hit his goal, and find out what his next challenge will be.
Kenny found foods for the whole family.
See how this Extreme Weight Loss first goes down.
From 410 pounds down to 202.
He missed his Phase 1 goal. Can he recover?
Sara focuses on her metabolic rate.
Watch Sara's final weigh-in.
No one's ever lost this much in one phase of the program.
Cassie is able to get her spouse aligned with her transformation plan.
See how far she's come -- and how much she lost.
The NFL star works out with Cassie and her husband.
When she realizes she has the power to change her life, she goes for it.
See the results of ex-gymnast Georgeanna's 12 months of hard work.
The famous gymnast helps Georgeanna shed more pounds.
Her judges: Bart Conner, Dominique Dawes, and Shannon Miller.
The USA gymnast explains why Georgeanna's story is important.
After slacking a bit in Phase 3, see how Brandi bounced back.
Former pageant girl Brandi gets some inspiration.
Chris confronts her with surveillance from a private detective.
Chris Powell checks Brandi's food log.
With help from Sugarland guitarist Thad Beatty.
Chris Powell offers lessons to be successful in your training.
See his final weigh-in after a year of hard work.
David bravely gets in the ring for his six-month challenge.
And Chris makes quite the entrance.
David's transformation begins at 413 pounds.
Heidi -- who's taking the lead on this episode -- is furious.
See the final result of Meliss'a year of training.
Her goal was to lose 76 pounds in 90 days.
Heidi Powell gets to the bottom of Melissa's problem.
See the end result of Bruce's full year of training.
See the record-breaking results of his first three months.
NFL Hall of Famer Jerry Rice shows Bruce some moves.
He finds Bruce and his story incredibly inspiring.
Celebrity Chef Kelly Liken shares her healthy hot wing recipe with Bruce.
The star swimmer helps Jayce face his fears.
Jayce is starstruck when the music star walks in.
See his full transformation.
The country star plays one of the songs Jayce wrote.
He needed to lose 118 pounds in 90 days...did he make it?
Rocco Dispirito teaches Kathie and Josh healthier food choices.
He missed his goal in Phase 1...can he recover for Phase 2?
See how far she came in a year.
Watch his final weigh-in.
A single mom's moment of truth.
Will he use the pain for motivation?
She tells them for the first time ever.
Batting practice and the struggles of addiction.
Chris gives the 19-year-old slugger some bad news.
Will she qualify for skin removal surgery?
He becomes the first recruit ever to quit Chris's program.
I'm getting my workouts in while teaching Zumba.