In the toughest and most exotic challenge yet, no part of the animal is off limits and nothing goes to waste. Nine contestants clearly reach out of their culinary comfort zones, three are sent home and six move on to the semifinals.

After Ducky and Jimmy fail to return to headquarters following a crime scene investigation, the rest of the NCIS team works to locate the disappearing duo.

Spencer is finally ready to talk, but Emily is not so ready to accept what she has to say. Will she heed Spencer's warnings or will Emily go off to find her own answers down a path "A" has designed for her? Hanna, on the other hand, is preoccupied with helping her mother after Ashley is involved in a hit-n-run accident. Now having a new secret to hide, Hanna wonders if "A" had something to do with it after all. With Aria, Emily, Hanna and Spencer are now really afraid does "A" have them right where they want them?

It's a "My Name is Earl" reunion as the Chances throw a birthday party for Hope. Jason Lee reprises his guest-star role as former rock star Smokey Floyd, and he is joined by guest stars Jaime Pressly, Ethan Suplee, Nadine Velazquez and Eddie Steeples as Natesville locals who all band together to save the party.

With the sudden nuptials of Wanda (guest star Mallory Moye) and Tom (guest star Ross Philips) in BlueBell, Zoe agrees to be maid of honor, which entails the difficult job of watching Wanda's crafty mother. Zoe uses her wedding duties to try to avoid the awkwardness between her and Wade, but has a feeling something is wrong. Lemon faces the memory of being left at the altar and decides to take matters into her own hands. Meanwhile, Lavon hears about the neighboring town trying to build a shopping mall next to their local beach and he enlists George's help to fight it, but an unexpected side of George rears its ugly head.

Sabrina is excited to introduce her new friend, Rachel, to the family, but Virginia and Burt are shocked when they realize Rachel is the girl who once broke Jimmy's heart.

Callen is concerned that Sam might be too invested after he takes on a missing persons case for an Afghani elder who helped him years ago when he was wounded on a mission.

Peter and Neal get closer to finding out the mystery behind Ellen's evidence box while simultaneously chiseling their way through the world of sculpture forgery.

Everyone gathers to celebrate Dan and Theresa's wedding but the celebrations do not go off as planned. Ethan figures out who Emma is protecting and confronts her about shutting him out. Sutton's sudden change of heart confuses Emma, who isn't sure she trusts her sister. Ted's behavior grows more erratic as his family continues to fall apart. Meanwhile, in the game between Alec and Rebecca, Jordan decides whose side he's on.

Jess catches the eye of a professional football player, with whom Winston landed an exclusive interview for his radio station. Meanwhile, Nick and Schmidt argue over the planning of their "TinFinity" party celebrating their tenth anniversary of living together, and Cece gets a surprise offer.

Being a taxi driver always ranks among the most challenging jobs in the country, so the guys head to Las Vegas on a quest to create the ultimate taxi, aiming to keep both driver and passengers happy. After getting some experience riding along with real cabbies, they reveal their creations, put them through a series of tests and then hit the Vegas strip to see who can get the most tips. Then we review the newest supercar to come out of the UK - the McLaren MP4-12C, and see how it stacks up against a good old American NASCAR Cup car.

For the immunity challenge, the contestants divide up into teams to do quick-and-dirty work creating an army of zombies. At the spotlight challenge, the teams must create alien werewolves.

When Simone tells Ryan not to wear his wedding ring, he can't seem to get rid of it no matter how hard he tries. That doesn't stop him from asking Simone to move in with him, spurred on by an encounter with his sad, middle-aged bachelor friend, Hughie. Meanwhile Anne, desperate for a babysitter, reluctantly accepts Mr. K's offer to fill the job and as a result she grows closer to her kids.

Jeff enlists tech-savvy E.J. to help in his search for his brother Nate. Skye finally reveals to Jeff that she took the researcher job on Cult to learn more about Steven Rae. Meanwhile, at the production office, associate producer Peter Grey brushes off Skye's concerns that some of the Cult fans believe there are hidden messages embedded in the show. On the television show, Kelly and Paz discover a body buried vertically, and Kelly believes that this might be a message from Billy.

The team uses a hockey referee as an agent to catch a criminal and Leo assists with a murder investigation.

Despite being completely against having a baby shower, Bryan and David finally relent after seeing how much Shania, Goldie – and especially Rocky - want to throw one for them. Unknown to everyone, the boys decide to donate all their baby shower gifts to a local adoption center, including the mink onesie purchased by Jane and Rocky. Elsewhere, Clay and Shania come up with the idea to have a surprise shower for Goldie since she has two babies now and has never experienced such a celebration. Later, Rocky and Jane visit the adoption center to take back their mink onesie returned by Bryan and David. Rocky comes out with more than she bargained for.

Mindy reunites with her "first kiss", Sam. The two reminisce about their time at Jewish summer camp, and soon rekindle the sparks of their teen romance.

First round fights continue Tor Troeng vs. Josh Samman.

Daniel starts a focus group to address racism. Also: a legendary comedian's Web Redemption.

Laurie decides to move in with Wade, but she's worried how Travis will take the news; Tom loses his "new guy" status and becomes a cheerleader for Jules; Jules and Grayson have a clothing-optional day.

Bodies start dropping and no one is safe as the search for Drew Thompson enters its home stretch.

In conclusion of the thrilling Season 3 premiere of "Body of Proof," Megan learns why a serial killer targeted war veterans and just how one of their prime suspects figures in the case. But the killer has kidnapped Megan's daughter and is making sure that, now that Megan has cracked the case, she cannot reveal the answers to her team or the police while Lacey's life hangs in the balance. Meanwhile, Kate comes under fire with District Attorney Dan Russell.

Derek calls in help for a special event, but Jimmy's pride might get in the way of a huge opportunity Karen orchestrates for him and Kyle. Peter challenges Julia's pride as they continue to work together. Meanwhile, Ronnie struggles to assert her independence from a powerful mother, as Eileen finds herself at a moral crossroads with huge ramifications for "Bombshell".

As he's interviewed for a story about his career, Walter William Clark, Jr. flashes back on his hard-fought journey from street kid to the most powerful man in law enforcement.

Anthony shares some child mortality stats, explores what happens when group sex gets violent, and makes Patton and Nick defend their tweets.

Lori Silverbush & Kristi Jacobson

Kevin Nealon, Nicholas Hoult

Dr. Francis Collins

Joan Rivers, the Daytona 500 winner, Kendrick Lamar

Colin Farrell, Joey King, Boz Scaggs

Sharon Osbourne, Matthew Lillard

Broadhill retirement home has decided to host a cabaret show and Derek creates an entertainment committee to discuss plans for the evening. A new community service worker called Deon joins the team working at the home.