The NCIS team is called in to investigate the murder of a Marine found halfway around the world, and the investigation takes a surprising turn when Ziva turns out to be connected to the deceased Marine.

The three finalists will create dishes from various parts of the world, which will be judged by international culinary experts. The final two chefs will battle it out in the final challenge and dinner service. Chef Gordon Ramsay will then choose the winner.

Kelly and Silver deal with news that their mother, Jackie, is suffering from breast cancer. Navid's world is shaken up when Adrianna tells him she needs time alone, but ends up turning to Teddy. Jen continues to use Naomi and convinces her to lend her money. Jasper rescues Annie from a bad date, leading the two to form a bond.

This is the week the contestants are split into Bob's Blue team and Jillian's Black team. Alison tells the contestants that the winner of the temptation challenge will pick which players go to which team. The winner picks the new teams and splits up old teams; another player is sent home.

Sharks are pitched the following items, a product made by a veterinarian who claims it prevents cancer in pets; a virtual arcade; and a line of fashionable clothing for women from a Texan designer.

Now that Julie and Dave are expecting their fourth child, Ted makes plans to withdraw from his superfund and invest in a new unit. Nathan has been calling and texting Sammy hoping for the chance to explain his infidelity. However, she's not answering him. Ted takes a tough love approach, telling Nathan that if he isn't willing to put everything on the line to get Sammy back, then maybe Nathan doesn't love Sammy enough. Dave has been searching for Chel since she ran from the engagement party, with no luck. She has left town with no forwarding address. Ted gallops to the rescue, persuading Melissa to find out which hospital Chel is now going to for her dialysis.

The best-known scientific instrument in history was dying. After nearly 20 years in space and hundreds of thousands of spectacular images, the Hubble Space Telescope's gyroscopes and sensors were failing, its batteries running down, and some of its instruments were already dead. The only hope to save Hubble was a mission so dangerous that in 2004 NASA cancelled it because it was considered too risky.

The final two chefs will battle it out in the final challenge and dinner service. Chef Gordon Ramsay will then choose the winner.

Mike cleans high-rise windows in Honolulu.

A significant career opportunity transports Erica back to a summer spent in Taipei.

The search for the main culprit that killed an Iraqi businessman goes on with Special Agent Sam Hanna and Special Agent "G" Callen leading the investigation.

Riley is approached by a famous fashion designer and decides she must be the new face of his denim jeans campaign, much to Ella's dismay. Wendi sends Lauren on a yacht but she panics when she sees David there too. Violet fakes an illness so she can see Michael at the hospital, as part of her plan to get back at him for the way he treated Sydney. Jonah is excited about the opportunity that came his ways, Riley then turns downs the offer from Anton V.

In the results show of fourth week another couple will be going home. Michael Buble appears as guest star.

Justin doesn't show up at Brody's party and Audrina has a new target.

Zoebelle incites Clay, who plans a course of retaliation, causing Jax to look to an unlikely source to keep the club from being destroyed. Tara learns from Gemma how an old lady handles anger.

The Forgotten Network investigates a Jane Doe who appears to have died from an insulin overdose, but further developments lead the team to suspect foul play. If someone wanted her dead, what was the reason? Where is her family? And what is her name? The answers to these questions lead the team into the mysterious world of 'parachute kids'.

Alicia uncovers evidence that possibly proves that the jury is tampering with her firm's class action law suit that she has against a pharmaceutical company, while the legal team of her husband continues to mount the case for his appeal.

Jay's guests include actor John C. Reilly and professional football player Ben Roethlisberger.

To avoid sharing a room with the baby, Hallie decides to move into the attic. In order to clear out all of the junk, the family holds a garage sale. Meanwhile, Jay accidentally learns the baby's gender.

Coming Soon...

Guest: Airline pilot Chesley Sullenberger talks about his new book Highest Duty: My Search for What Really Matters.

David Javerbaum, Sylvia Earle

Sienna Miller, Aziz Ansari, Dead by Sunrise

Ice-T, Eddie Izzard, the Flaming Lips