More dangerous than ever, Vincent remains one step ahead after joining forces with a powerful figure from his past. As the threat to Hope's life grows stronger, Klaus realizes he has no choice but to place his trust in his siblings to ensure she remains protected. Meanwhile, after being presented with an enticing proposition, Kaleb is forced to make a difficult life or death decision, and Elijah finds himself in the fight of his life after an unexpected visitor arrives at the safe house. At the bayou, Hayley and Jackson continue to prepare for the unification ritual, but things quickly go awry when they become pawns in Vincent's dangerous plan.

Some of the best moments from the series include hirings and firings, feuds and the biggest mistakes.

Gordon and Bullock set out to stop Gerald Crane, a biology teacher who has been harvesting the glands of his murder victims. Meanwhile, after finding herself in an unusual setting, Mooney continues plotting to gain power, and Falcone attempts to change Maroni's plan for the Penguin. Then, Bruce takes a treacherous hike.

Max and Caroline are arrested for breaking into a cute guy's apartment to recover the rings Caroline left behind after she spent the night.

Nine women join Chris in Deadwood, S.D.; the women call Kelsey out on her behavior.

Dr. Ogden's life is threatened by a group of deeply troubled and violent inmates at the asylum, including Eva Pearce, Mrs. Lynd and Rose Maxwell.

Callie decides to try a new tactic with Robert while Brandon aims to convince the band that his mom's rules can work for everyone. News about Ana's situation gives Mariana an idea that would affect the entire Adams Foster family. Meanwhile, Jude tries to make amends with Connor and agrees to go on a group date.

Molly faces a dilemma when her publisher asks her to make a provocative change to her book.

Ichabod and Abbie face demonic creatures that guard a secret crypt and encounter Thomas Jefferson in their quest to fight evil. Meanwhile, Jenny learns a shocking secret about Frank Irving.

Mr. Trump sends the two celebrity finalists to Orlando, Florida to take on their biggest task yet - create a commercial for Universal Orlando Resort and sell resort vacation packages to raise money for their charity. Back in New York, the finalists must present their commercial to guests at a star-studded red carpet event. With six fired celebrities returning to help them, the finalists compete for the ultimate prize: $250,000 for their charity and the title of The Celebrity Apprentice.

April starts to regret becoming such a homebody, especially when she learns Beth has been partying without her. When Beth hosts a house party, April lets loose - a little too loose - which leads to a major blowout with her friend. The new school year finds Brenna feeling alone and bullied, but an old friend proposes a truce to take down a common enemy. Meanwhile, Leo gets some valuable advice from Sara and ends up getting a job, but he finds the new experience more challenging than he expected. Dominic has an awkward encounter with Natalie.

Team Scorpion goes undercover on a cruise ship to locate and disable deadly stolen rockets. Meanwhile, as Valentine's Day approaches, Toby and Happy help Ralph, who is in the throes of his first crush.

Jane and Rafael are excited to find out the sex of the baby, but a medical issue means Jane might miss her graduation. Xo notices that something is going on with her mother, Alba, but Alba is too embarrassed to talk about it. Meanwhile, Michael thinks he has finally figured out who Sin Rostro is, but he must try to capture him before he slips away.

As public awareness increases around the Rebels activity, they target an important Imperial network.

Big Chief is in Wichita, Kan. and racers take on Murder 56 and Superman.

When boat traffic makes it impossible to run lines, hunters must adjust tactics and abandon plans in order to fill their tags. One team returns after a two-year hiatus and decides to hunt a remote area that forces them to cross the dangerous shipping lanes of the mighty Mississippi River. Another team avoids bounty hunters and boat traffic by travelling to a new and remote area called Boudreaux's Run, while another team hunts a waterway riddled with swells from tugboats and barges.

Karen is able to get Les to agree to allow her bring in a feng shui expert in to try and boost sales and bring some positive energy.

Nick finally has Sheikh Hakam in his sights, and Charlie and President Payton must decide what sacrifices to make and how far to go in order to bring down the most wanted terrorist in the world. Charlie and the briefing team work with Nick on a plan to kill Fatah and Hakam. But when an unexpected obstacle is put in their path, Charlie finds herself at odds with the President over what steps to take next.

As his troubles escalate to a boiling point, Jimmy finds himself in dire straits. An act of carelessness puts Chuck at risk.

A media mogul hosts a party at IRL in an effort to encourage New Yorkers to not be scared.

When clues in a murder implicate Castle and Beckett's nemesis, Dr. Kelly Nieman, Castle is called in to consult on the case.

Callen and Sam are kidnapped when they follow an anonymous tip about a missing NSA agent. When the team discovers they are nowhere to be found, they realize it could have been a trap set by terrorists.

Patricia Arquette

Conan O'Brien was joined by Timothy Olyphant and Rebecca Frankel, plus music from Punch Brothers.

Panelists Michael McKean, Kimberly Dozier, Negin Farsad and Wes Moore join Larry for a discussion about ISIS as well as the U.S'.s foggy relationship with war.

Tonight Jimmy's guests are actor Jamie Dornanand and the "Sports Illustrated" swimsuit cover model Hannah Davis. Musical guest will be pop band Sheppard.

David Letterman was joined by Steve Carell, Adam Silver and Dr. Cornel West.

Greg Proops, Mary Lynn Rajskub and Emo Philips compete to determine who has the funniest take on the day's pop culture.

Seth was joined by Bobby Moynihan, Eugene Levy and Daniel Levy, plus music from the Bots.

Host: Wayne Brady; Guests: Dylan McDermott, T.J. Miller, Sarah Rue

Sacha is left reeling at the news that his daughter Rachel has left the hospital to meet her forbidden love. Harry realises that he has deep feelings for Mary-Claire. Mo is a step closer to unlocking the secret of who her real father is.