Elizabeth Ruiz

A contestant continues to be upset over a recent elimination; a pool challenge tests everyone's balance; a contestant reaches a milestone.

The contestants learn that they will be competing in pairs this week, and that one contestant will get to determine each team; Bob and Jillian confront contestants about issues they can't overcome.

One contestant creates tension in the house by expressing a wish to go home; professional tennis player Anna Kournikova gives the contestants tennis lessons before they face a challenge involving tennis balls; another contestant is sent home.

Loved ones cheer on the final four contestants as they run a marathon; a contestant confronts her unsupportive parents; two out of three finalists are determined.

The six remaining contestants learn that the players who stay above both a red line and a yellow line at the weigh-in will make the final four; Olympic medalist Nastia Liukin tests the players' stamina in five exercises.

Jillian and the trainers travel to seven U.S. cities to motivate the communities and find contestants to compete for the grand prize at the ranch.