The investigation into the murder of a Navy Commander leads the NCIS team to E.J. Barrett's whereabouts.

Kathryn thinks she found a nurse who knew about the switch. Bay crashes the festival the boys are playing at because she heard Daphne was there. Simone Flirts with Toby.

When a rising young star on the pro fishing circuit has dinner at the Baxters' and the conversation turns to traveling the world for work, Vanessa wonders if Mike is feeling tied down now that he spends more time at home. Meanwhile, Kristin and Eve think Mandy's decision to become a vegan is another one of her passing phases.

A new batch of couples arrive at the ranch and are shocked to learn they'll be split up to compete against each other in the Season 13 premiere. The new round has a "No Excuses" theme, and the trainers address the reasons the contestants are overweight.

Les noticed several items in the back room that have gone missing, leading him to suspect that one of his employees is a thief. Also: a man tries to pawn a Playstation 3, but his pawn became no good once he threatened Ashley. A woman tried to sell a laptop computer, thinking it was an iPad, but refused to believe that Ashley was a manager when she called for one. A woman tries to sell a dinosaur bone, but Les was concerned that the bone was actually from an elephant. A couple pawns a fur coat to get the funds to get jewelry out of hock, but the girlfriend threatens violence to her boyfriend if they don't get a right deal. A man sells his guitar signed by Kid Rock, despite almost walking away over a few dollars' difference from Seth's offer.

Mike becomes a water softener technician in Minnesota, and works as a coin washer at a San Francisco hotel.

When a researcher with the Department of Defense is found dead, Nell must put her high IQ to the test when she goes undercover as his replacement. Meanwhile, Hetty's ability to lead the team is questioned by the new NCIS Assistant Director, Owen Granger.

The almost-broke and unemployed Lee finds out that Coreco Pharmaceuticals is looking to hire sales reps - female sales reps. He takes a chance and goes into the interview dressed in heels, a skirt and makeup. The transformed Lee gets hired - as a woman.

In the series premiere of this drama, a teenager with a keen sense of style is mistaken for an adult and given a job as an assistant to a powerful fashion executive (Andie McDowell), so she plays along and secretly juggles high-school life with a new career.

Zeek decides to go on a road trip to visit his mother for her 86th birthday and the whole family tags along. However, the disaster bound trip doesn't prove as troublesome as the birthday girl.

After a bride plummets to her death on her wedding day, everyone from the angry ex boyfriend to the over bearing father is a suspect. But just like a bride herself, Megan pays attention to every tiny detail until she can solve the crime.

A construction worker with ties to organized crime is murdered, and Carrie and Al try to determine if his death is mob related.

A visit to Santa Ana, Cal., includes gaming machines; and vintage bottles.

North Hollywood, Cal., is visited.

Charles Barkley

Gary Oldman, Mindy Kaling, Everlast

Sen. Bernie Sanders

Will Arnett, Lisa Lampanelli, Guided by Voices

Whitney Cummings, Nicole "Snooki" Polizzi, will.i.am

Carrie Fisher, Matthew Gray Gubler