The NCIS team uncovers a startling surprise after a young Marine shows up to his homecoming party with a fatal stab wound.

Team One the is busy with their sites on a gunman and what the connections are between several groups of people and they must try to keep the connection from causing harm to anyone else.

After making an enemy in sorority president Holly, Naomi finds unusual allies who help her get revenge. Annie, short on money for sorority dues, must figure out a quick way to come up with the cash. Liam and Jane get closer, while Adrianna reveals a secret that causes Liam to look at her in a different light.

The judge's results from yesterday will be joined with the public voting. The couple with the lowest combined total will be eliminated. Demi Lovato and The Script are the guest stars.

Gym-time restrictions are put into place, allowing each team only two hours a day to work out. Elsewhere, the contestants receive health evaluations from Dr. Huizenga, who delivers particularly shocking news to one player; and the teams move a ball through a maze during a challenge.

Les' plan to celebrate the store's 30th anniversary hits a snag when he dumps the job onto Ashley and Seth with the intention of bringing them back together. In the midst of all the family drama, Les has a meltdown when a customer tries peddling him fake gold.

The NCIS team joins forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Meanwhile, Callen continues searching for more information about his past.

New Directions faces a shake up when Shelby Corcoran (special guest star Idina Menzel) comes to McKinley High and Rachel has to deal with the return of her biological mother. Meanwhile, Kurt starts his run for class president with the special help of Brittany.

Bridget discovers a possible clue that could lead to Siobhan's killer, and uncovers intriguing information about Andrew. In other events, Machado continues to pursue Bridget; and Henry and Gemma butt heads over their investment in Andrew's hedge fund.

Nick and Schmidt convince Jess to get her stuff out of her ex-boyfriend Spencer's apartment; Jess meets new roommate Winston, who has returned from playing basketball in Latvia. Winston tries to get his old room back from Schmidt.

When Burt reveals Sabrina's secret to the Chance family, she is forced to introduce her father Cap to them, and Jimmy decides to use this info to introduce Hope to a rich lifestyle, causing Sabrina to reveal her insecurities.

The club makes a run to set up a new business venture; Gemma makes a new ally.

A bumbling surfer's Web Redemption; a ride in a souped-up motorboat; Daniel's new phone app.

Amber revels in her new independence, while Sarah strives to remain a part of her life. Crosby is unsure how he feels about Jasmine dating and she wonders if she now fits in the Braverman family. Meanwhile, Kristina is concerned about Crosby and Adam's new business venture. Also, Alex receives good news and Zeek imparts relationship advice to Drew.

Kate removes Megan from a murder investigation involving a deer hunting party when Megan openly accuses a wealthy and influential tycoon of shooting his young wife. Kate's actions make for an even chillier relationship between the two women.

When a young boy witnesses a murder, Carrie must put aside the memories of her sister's death to help him lead the police to the killer.

The recurve bow is used in a challenge that has contestants skipping arrows off a ramp to hit a target; and two members of one team nearly come to blows.

The guys try to quit drinking for a week after a particularly rough night of imbibing.

Seth Rogen

Marisa Tomei, Casey Wilson

Matty and Jenna have barbecue with Jenna's parents, and they discuss the upcoming formal dance. Matty doesn't actually ask Jenna to the dance, but does ask her what color dress she will be wearing. Later, while still not asking her to the dance, he asks her if she is a limo girl or not. Jenna sees several boys going to great lengths to make a "big ask," by dressing up as apes, popping out of coffins, etc. Jake asks Jenna to the dance by giving her a mix CD, which has "Will you go to the dance with me?" printed on it. She tells him that she can't go with him because she already has a date. Matty and Jake talk about the Formal, and Jake tells Matty about being turned down by Jenna. Matty almost tells Jake about going with Jenna, but chickens out, and later asks Jenna if it would be okay if they skip the Formal (because he doesn't want to hurt Jake, but he doesn't tell Jenna that). Meanwhile, Sadie manages to steal Jenna's file, with the letter in it. Jenna is surprised to be nominated for Sophomore Princess, but then discovers that the ballot has her letter printed on the back of it. Jenna decides that she deserves more than Matty has offered, and tells him that she won't go out with him that night, to the Formal, or anywhere.

Melinda Gates

As the night of winter formal approaches, someone shares the carefrontation letter with the whole student body, and Jenna must make a difficult decision.

Jack Hanna, Anna Faris

Lauren Graham, Seth MacFarlane

Mary Lynn Rajskub, Jackie Collins, Trombone Shorty

A woman is found murdered in the middle of the Oresund bridge - just on the border between Sweden and Denmark. Saga Noren from the County Crimea Malmo and Martin Rohde from Copenhagen police are called to the scene. What at first appears to be a murder turns out to be two. The upper body is from a well-known Swedish politician and the lower body from a Danish prostitute.

Michael unleashes his new secret weapon on the school who is the new Head of English Linda Radleigh. Grantly is not happy that she was appointed without the job even being advertised and Tom atttempts to placate him. Linda agrees to keep an eye on Emily James on the day her sister, Lindsay, is due to be released prison. After Emily manages to give her the slip, Linda is soon back on her trail. Jez announces a new lunchtime Fit Club and Michael attempts to get closer to Sian over drinks.

Lisa and Dan discover that they have been burgled and are devastated tofind out that their wedding photograph has been stolen. Fergus shows his knack for being less than honest with the truth.

Kevin follows the progress being made as Tim and Philomena O'Donovan, convert a lifeboat station in Tenby, Pembrokeshire, into a contemporary home.

Neil goes underground to begin planning his fight back against the Fades and as Paul's terrifying visions continue, Neil takes him to see an ancient Fade, who foresees Paul's importance in the looming battle. Realising how high the stakes have become, Paul decides the upcoming school ball will be his big goodbye to his old life. Meanwhile, DC Armstrong continues to investigate the growing number of missing persons cases in the town, completely unaware that they are being slaughtered by the Fades.

The friends are concerned that they could becoming social lepers. They decide to throw a party, which Josie hopes will give her the chance to get together with Kingsley. Her plan doesn't work though when her boyfriend shows up. Howard has to pretend to be Vod's partner in an effort to fend off the unwanted attentions of a drummer.