SURPRISING WEIGH-IN FORCES ONE TEAM TO SEND FAMILY MEMBER HOME -- In part two of this two-part episode, one group of contestants tries to convince their trainer that they are committed to stepping up their workouts. Later, one of the contestants has a heart-to-heart talk with her trainer about relationship issues with their family member. And a surprising weigh-in forces one team to send a family member home when they fall below the yellow line. Alison Sweeney is the host, and trainers Bob Harper and Jillian Michaels also star.