The cross borders unit investigate the death of a bus driver and student of a prestigious European school.
As Halloween approaches, Chanel creates a devious plan after Zayday makes a shocking announcement. Meanwhile Grace and Pete pay a visit to a mysterious woman with ties to Kappa's past. Also, Hester grows closer to Chad, Denise continues her search for the red devil killer and Dean Munsch does everything in her power to keep Wallace University open.
Lewis and Hathaway are called in to investigate the apparent death by drug overdose of over achieving student and amateur taxidermist Talika Desai.
While Jimmy struggles to adjust to his new family, Gerald surprises him with plans for the family's first trip to the beach.
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.
Matt and Joe take on one of the most common and deadly scenarios in the wilderness: an injury that requires medical intervention. Caught in a thick jungle, this worst-case becomes a test of will in the struggle to get out alive.
When Brian helps Agents Harris and Boyle investigate the murder of a retired FBI agent, they’re shocked to find a link to the elusive head of a notorious drug cartel. Also, Brian reconnects with an old flame, Shauna but worries her renewed interest is really in the NZT version of him.
The last four artists standing fight for a spot in the live finale, but first must survive a tattoo marathon.
Muldoon juggles tensions at home with his family, warns Latucci about his relationship with the Moose, while also pursuing the Pattons. Lt. King helps out an old flame and assembles some fellow officers to take care of a situation. Kane and Hopkins have been hiding upstate and plot their revenge. Patton questions his brother's loyalty as tensions rise.
After a Marine is found murdered in Quantico hours after calling Gibbs to discuss a possible case, Bishop and McGee go undercover as a married couple to run surveillance on a Marine Lieutenant and his wife.
Picking up months after the Singularity attacked Central City, Barry is still struggling to forgive himself for Eddie’s death. Concerned about putting his friends in danger, Barry has pushed everyone away and has chosen to protect the city on his own. When a meta-human named Atom Smasher attacks the city, Iris tells Barry that he needs to let his friends help him protect the citizens of Central City. Meanwhile, Cisco helps Joe with his Meta Task Force.
Guest announcer Shaq joins Neil for an evening full of fun, games and housewives, with special guests Gloria Estefan, Zachary Levi and Blue Man Group.
When a female combat pilot and Navy hero dies in an air-show plane crash, the NCIS team must investigate if it’s the fault of the pilot or the new jet that was just approved to deploy to bases globally.
Danger Mouse has to face his only fear when Penfold accidentally wakes a gigantic spider.
DM must save his reputation - and the world - when Squawkencluck's artificially-intelligent defence super-computer goes insane.
Tamara accuses Jenna of sabotaging relationships, so Jenna confronts her ex-boyfriends to find answers.
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.
Donna is given her first shot at tattooing and receives devastating news; Ceaser and Dutchess seek advice from a spiritual adviser; and O'S**t's new fling has a big announcement.
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.
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.