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03:25 — In their final week on the ranch, Bob reminds Jeff that he can be a source of inspiration for everyone around him, even his celebrity fitness trainer.
01:25 — Ali fills you in on her busy routine.
01:59 — Take a closer look at this season's teams on "The Biggest Loser: Couples." Season Premiere, Jan. 5, 8/7c
03:17 — Check in with Sam by watching their weekly personal video blog.
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