Biggest Loser: Couples
NBC 8 pm

Tonight the six remaining contestants receive new looks to show off to family and friends. After a $1000 shopping spree, the players head to the salon for a visit with stylist to the stars Jonathan Antin.

Lost
ABC 9 pm

When we last saw Locke, he was about to go under Jack’s knife and knowing that Locke wants to go and Jack wants to stay it might get even more interesting. In cast notes, Helen (Katey Sagal) and Anthony Cooper (Kevin Tighe) are back, as is old friend Bernard (Sam Anderson).

Dancing with the Stars
ABC 8 pm

Jake the bachelor was voted off last week so he’ll miss tonight’s special musical guest, Train, who will perform “Drops of Jupiter” and “Hey, Soul Sister.” Also, Cirque du Soleil will perform to a medley of Elvis’ “Blue Suede Shoes” and “Heartbreak Hotel.”

Glee
Fox 9 pm

Tonight the Glee kids must deal with the “glist,” a tip sheet ranking their “hotness quotients.” Meanwhile, Sue is embarrassed when a video of her performing Olivia Newton-John’s 1981 hit “Physical” has surfaced. Newton-John has a cameo, and Molly Shannon signs on as an astronomy teacher who won’t get along with Sue either.

NCIS: Los Angeles
CBS 9 pm

Ever since Adam Jamal Craig’s character, Dom, was abducted earlier this season, the team have held on to the hope that he may be alive. This episode finally gives them some closure. The team receives video evidence that Dom is being held hostage, and they try to rescue him.