Gordon and Bullock track down a nemesis from the past, leading to a standoff between Jerome and Gordon. Meanwhile, a magic show at the Gotham Children's Hospital gala turns into a hostage situation.

The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Also, the girls force Penny to finally tell her family that she eloped with Leonard.

Songs that celebrate a Most Memorable Year in the stars' lives; a couple are eliminated.

With Mingo's help, Daphne holds a fundraiser to help support a sign-language school in Mexico. Bay is livid when a student starts using her art to sell crude t-shirts. Regina deals with the repercussions of digging through Eric's past. Meanwhile, Toby and Lily have to make difficult decisions about their future.

Coaches Gwen Stefani, Blake Shelton, Pharrell Williams, and Adam Levine try to find the best performers remaining during the final night of blind auditions.

While Crabtree serves time for the murder of his sweetheart's husband, Murdoch investigates an inmate stabbing that may be connected to the case.

When Matt invites Colleen to brunch with the family, he coaches her through the difficult task of connecting with them. Also, John, Matt and Greg try to prove their masculinity by cutting down a tree in Greg's backyard, Tim has an adverse reaction to espresso, and a sleep-deprived Greg has a run-in with the cops.

Guest: Comedian Jeff Davis

In order to save the lives of three judges, Sylvester goes undercover in a federal prison but Team Scorpion must break him out when his life is threatened. Alana De La Garza returns as the new head of Homeland Security and Kevin Weisman returns as Walter's new friend, Ray, whom he meets doing his court-mandated community service.

When Richard brings a smashed up 2005 Ford GT back to the shop with the intention of making a quick repair for a fast profit, Aaron talks him into giving it the full Gas Monkey treatment.

With the initiation of Hawk-Eye, a new police program monitoring suspicious behavior, Vega seeks help from Akeela to get Dash in as the new program analyst. Meanwhile, Vega and Dash begin to suspect that Arthur may have a bigger plan up his sleeve.

Tamara accuses Jenna of sabotaging relationships, so Jenna confronts her ex-boyfriends to find answers.

Karma's mother asks Karma and Amy to come to her PFLAG event and pretend to be girlfriends again.

Nate aks Same and Atticus to help convince Jimmy that he made a mistake; Lydia considers advice from her boss; Harrison has a realization about his marriage to Lydia.

An infamous crew of thieves almost pulls off the perfect jewel heist, except one thief - with a Navy SEAL tattoo identical to Jane's - is captured at the scene of the crime. Does this man know Jane? Meanwhile, Jane receives a visit - and an ambiguous warning - from the mysterious bearded man from her first memory as Weller and Mayfair struggle with Jane's role on the team.

When the body of a local college fraternity student is found gruesomely murdered, Castle has to go undercover as a professor in order to gain access to the victim's world. However, he and Beckett soon discover that behind the fun and games of college are some darker secrets the university wants to keep hidden.

A 20-year-old Peruvian massacre is investigated after a famous fashion model, believed to be one of the survivors, becomes a potential target. Kensi goes undercover as the model's assistant, while Deeks poses as her chauffeur.

Trevor examines pro-lifers' stance on guns, Jessica Williams finds an efficient way to report on a mass shooting in Oregon, and Seth Rogen discusses his film "Steve Jobs".

Coming Soon...

Larry revisits his interview with presidential hopeful Bernie Sanders, and Rory Albanese, Mike Yard and Ashleigh Banfield weigh in on a mass shooting at an Oregon college.

Coming Soon...

Stephen welcomes Senator John McCain, special guest Yo-Yo Ma, plus an interview with and performance by ballerina Misty Copeland.

Coming Soon...

Coming Soon...

Coming Soon...

As he gets to grips with his status as the new ladies' man about town George is dragged into a celebration (or not) of Weld's x-rated history.

A new boss arrives at Oxfordshire Police, and he begins to question Lewis' role as a consultant. After an exhibition of anthropomorphic taxidermy, the body of a young avant-garde artist is found. Lewis, Hathaway and Maddox must delve into the worlds of social media, drugs, taxidermy, alternative art and the homeless East European community. Meanwhile, Hathaway confronts his father and sister, whom he does not have a good relationship with.

In the ultimate series finale, UCOS are threatened with closure following their perceived mishandling of the Henway case. Their final case begins with the bloody murder of a political activist 15 years ago at the Madhouse - a hub for people with mental health issues. Just as the team are getting somewhere, the order comes from above for Ted, Danny and Steve to cease the investigation. But in true UCOS spirit, the boys throw away the rulebook and uncover something much bigger than just a straightforward murder, involving some top officials, a multinational drugs company and signs of a massive cover-up.

Danny and Fiona's relationship hangs in the balance as she must give an answer to the job offer in Aberdeen, and Sasha is pulled into a game of political cat and mouse as she realises UCOS are merely puppets in Cynthia's game.

When Karl finds a pregnancy test in Natalie's drawer, he assumes that she is pregnant and sets about proving what a great father he can be, but his over-the-top efforts have the opposite effect, especially since the test is Trish's and not hers. Meanwhile, Angela brings her cat - which really is pregnant - into work.