When the Port-to-Port killer is finally revealed, the entire NCIS team finds themselves in grave danger.

As Brooke and Haley prepare to re-open Karen's Cafe, Nathan and Clay hit the road looking for new prospective clients. Meanwhile, Chase leaves for the Air Force leaving behind a disappointed Alex and Chuck, and Mouth and Millicent begin their new morning show together.

The IIB are investigating a hacker releasing classified documents to the internet and the impending major release of thousands of documents when a sex tape of the foreign affairs minister, she is the main opponent of freedom of information, is released.

An untimely death rocks McKinley High while New Directions prepares for Nationals in New York City.

It's crunch time as we head into the Results Show that will determine which three couples will be dancing in the finals. Right out of the gate, Hines & Kym learn they are safe. No neck injury is going to keep this team from going after that coveted Mirrorball Trophy.

The legendary Stevie Nicks gets the crowd going with a performance of her new song "Secret Love". She's followed by a rousing routine from rapper Pitbull, featuring Ne-Yo and Nayer.

A short time later, an inspirational young lady with a life-threatening disease takes to the stage. Her name is Tayla Kelley and she wows the crowd enough to earn a standing ovation for her dance routine. In between all that fun, Chelsea and Mark learn they are headed for the finals.

Stevie Nicks returns to perform the classic Fleetwood Mac tune "Landslide" for an appreciative crowd. The cheers she receives continue as we learn that Kirstie & Maks are moving on. That means Ralph & Karina are headed home. The former Karate Kid turned out to be a fine Dancing Man during his impressive run. His gracious, genuine personality will be missed.

Now it's onto the finals!.

Round two of the Battles and 4 more pairs perform for their spots. Cee-Lo's team: Tje Austin VS Nakia, Blake's Team: "Elenowen" VS Jared Blake, Adam's team: Javier Colon VS Angela Wolff, and Christina's team: Justin Grennan VS Beverly McClellan. Who will be able to go through to the LIVE shows? Guest stars: Reba McEntire, Monika, Adam Blackstone and Sia.

It's down to the final four contestants, and this week kicks off with a fun cooking competition to see who can make the tastiest turkey burgers for a group of kids. Then it's off to the golf course, where season ten winner Patrick House is waiting to cheer the players on as they 'put the weight back on' in one of the toughest challenges of the season. Carrying a heavy golf bag filled with flags weighted for how much they lost each week, each player races from hole to hole, dropping the flags along the way and reminding themselves just how far they've really come. Also, the contestants get to make calls to eliminated players to see how they've been doing at home, and later, they have their final last chance workout at the ranch with the trainers. Then one last weigh-in determines who the two definite finalists will be - and which two contestants fall below the dreaded yellow line, leaving America to vote which one will be the third finalist to compete for the grand prize of $250,000.

Mutiny on the Cornelia Marie; a rogue wave imperils the Time Bandit; the Kodiak crew suffers breakdowns; a deckhand angers the Wizard skipper.

Callen and the rest of the NCIS team refuse to accept Hetty's sudden resignation without an explanation. They start their own investigation to find out why she's disappeared, hoping they can track her down.

The Chances reminisce about the year Jimmy turned 18 - when Maw Maw kicked them out of the house, when a goth Jimmy took up residence in the grocery store and when Burt and Virginia finally figured out how to be adults.

An epidemic of strep throat hits Lancer University which results in the Hellcats heading to Nationals a few members short and leaving the team dangerously close to being disqualified. After the shocking discovery that they are related, Marti and Deidre hit some major road bumps in their relationship.

When Contra Security is hired to find a teen cyber-bully, Cameron finds himself back at his former high school, where he must relive his un-glory days.

Daniel gives a web redemption to the Chocolate Rain guy, gets into the ring with Manny Pacquiao, and reveals his new summer wardrobe.

Despite their tense relationship, Alicia and Kalinda rush to prove their client's innocence in a murder trial, while the timing might finally be right for Alicia and Will to pursue their relationship.

Megan suspects foul play when a young socialite dies, even though she had a terminal illness. The investigation means the funeral is halted but it doesn't help that the body was embalmed before the autopsy leaving few clues for the team. The investigation is then interrupted by Kate's personal life. Lacey thinks her parents might be getting back together.

Annie Jacobsen

Norm Macdonald, Todd Phillips, the Joy Formidable

Amy Kremer

Martin Short, Melissa McCarthy, Tinie Tempah

Ryan Seacrest, Jordana Brewster, TV on the Radio

Patton Oswalt

It's boys versus girls in today's epic Team Challenge! The two teams head to the Mean Fiddler Pub where they have to cook for 700 hungry revelers.

After Amy finds out she has a stalker she feels like a celebrity but after things begin to get personal she decides to take her own revenge. After Eleanor reveals who the stalker is, her handling of the situation causes problems for Karen. The sixth formers turn the cameras on themselves for an English project. Rose and Tom can't find the words to tell Sam that there's no cure for her cancer as her friends struggle to come to terms with what is going on.

The remaining candidates meet Lord Sugar at the Savoy Hotel in London, where they are challenged to source 10 products for it's reopening. One of the candidates from the loosing team is fired by Lord Sugar at the end of the show.