The Flash stops a robbery but the culprits get away after shooting a guard, and The Flash chooses to save the man instead of following the criminals. Joe shows Barry a book of suspects and Barry identifies Leonard Snart as the leader of the group. While investigating the case, Barry gets a surprise visit from an old friend - Felicity Smoak, who heard about his new abilities and came to check them out for herself. She joins him at S.T.A.R. Labs to help stop Snart after it's revealed that Snart his gotten his hands on a stolen "cold gun", which could kill The Flash. Dr. Wells is furious when he finds out that Cisco built the cold gun without telling anyone and now it's missing. Meanwhile, Iris is getting the silent treatment from Joe because of her relationship with Eddie. Finally, The Flash and Captain Cold have an epic confrontation.

The NCIS team must determine if the murder of a Navy commander's wife is linked to her profession as a therapist or an act of terrorism after finding the commander's name on a Jihadist target list. Meanwhile, the team discusses Halloween costumes and Tony's recent dating habits.

The knock out phase of the competition continues.

One thing is for certain when it comes to Dana and Peter's relationship, the road to love is paved with quite a few ridiculous fights. The topic of their latest disagreement is none other than the holiday-themed romantic comedy, "Love Actually", and it could not come at a more inopportune moment.

Clare has a serious dilemma that will affect her entire future and confides in Alli. Zoë sees red when Becky tells her she's too much of a distraction for the power squad team. It's time for Zoë to bring Becky down, literally. Miles and Tristan are getting close, but with his campaign in full swing, Mr. Hollingsworth is worried his son's behaviour could damage his political prospects. An upset Miles decides to take annoying his father to a whole new level.

Whitehall hires mercenaries to impersonate S.H.I.E.L.D. and stage an attack on the UN. Coulson sends Melinda, Lance, and Bobbi into the field to find the man who designed their weapons, and then negotiates with the Senator who is calling for an anti-S.H.I.E.L.D. ban: Grant's older brother.

Annie and Jake plan a haunted house in their apartment for the kids in their building but their plans run afoul of a super-mom Julie. Dennah plans to make a big splash at an exclusive party in a very skimpy costume. Meanwhile, Gil and Kay go trick-or-treating and use the opportunity to spy incognito on Gil's ex-wife.

With New Orleans decorated for Halloween, the NCIS team investigates the murder of a Naval Staff Judge Advocate found in a cemetery dressed in a Victorian costume with vampiric puncture wounds on her neck. Meanwhile, the team debates what Halloween night activity and costumes would be best.

A family holiday to France ends in tragedy when a couple's five-year-old son is abducted, and although a large manhunt is launched, headed up by one of the country's finest detectives, it seems the odds of finding the youngster are against them. Eight years later, when the fallout has driven the couple apart, the father returns to the original scene to continue the search for his son. He has a shred of new evidence - but will the original lead detective be willing to take up the case again?

While recovering from their recent trials, Sam and Dean decide to go on an "easy" hunt for a werewolf. However, they discover that it's Kate, the werewolf that they let go a year earlier.

The season of life and death concludes as the artists tackle the fantastical world of knights in an effort to win the crown.

Sal, Q and Murr all head off to a casino in order to try their luck at being Blackjack dealers. They form a team to play a complicated guessing game in a park as well as polishing some strangers shoes to a less than sparkling shine. The loser of tonights show gets to take a beating on the Cyclone game at Brooklyn however theres a twist: a mysterious lover delivers the blows.

Despite not liking Halloween, Fiona attends Will's annual party. Will attempts to show Marcus the joys of Halloween.

Dr. Tyler Forester, founder of a free medical clinic and the son of a Wall Street billionaire, is awarded one of the city's highest honors for his humanitarian efforts. A few hours later, he is found dead in his tiny apartment. Henry and Jo discover that Tyler's life of privilege and those of his thick-as-thieves Hamilton School classmates took a fateful turn one night many years ago. Now, the nightmare they thought they buried deep within themselves has come back to haunt them. Meanwhile, Henry recalls being faced with the terrible dilemma of being forced to decide between saving a man's life and protecting his own secret. Now, he is faced with the same predicament, but will he come to the same conclusion? And Abe shares a deeply held secret of his own with Henry.

Jason's anxiety could take him out after virgin canvases get their first tattoos.

When the search for a missing member comes to a dead end, the club turns its attention to weeding out a rat.

Andy Kindler rants about fall TV, a redhead loses control of his kayak, and Daniel's fans try to scare him on Twitter.

Reese, Shaw and Fusco must protect a unassuming office worker who stumbles into a dangerous conspiracy while moonlighting as fake detective. Meanwhile, Finch travels to Hong Kong as part of his academic cover identity.

Jenna hires a party bus for Valentine's Day.

Casey comes to the aid of his sister Christie and faces down his corrupt brother-in-law, while Brett goes above and beyond for a mother in need. Elsewhere, Mills gets educated on the exciting world of unlicensed private investigation and Dawson begins training with Herrmann.

An embarrassing mistake is made by Liam. Shane and Amy invite Lauren to join them at a dance party.

Corporate lawyer Nina Whitley has given up a lot in her climb to the top. However, when she's passed over for a promotion and her former fiancé gets engaged to another woman, Nina has an epic meltdown.

While she is drunk, Ethel sleeps with Steve and gets pregnant; the rangers get committed to a mental hospital.

Lucy and Noah's first night out becomes an unwelcome double date when they run into Ian and Harper.

Rep. Joaquin Castro

Ashton Kutcher, Krysten Ritter, Beck

Michael Lewis

Tonight guests are actor Daniel Radcliffe and boxer Mike Tyson. Musical guest will be songwriter Sturgill Simpson.

Taylor Swift, Tom Mison

Gil John tries to right things after the Watts brothers "Swift Boat" his former player. Julie shocks Louis and Louise (Amy Sedaris) by announcing she's pregnant from an anonymous donor, while Adriana confronts Marta the housekeeper about Andy. Louis tries to debate Penn Jillette, but he's no match for what the magician has up his sleeves.

Doug Benson, Ari Shaffir and Bobby Lee compete to determine who has the funniest take on the day's pop culture.

Seth was joined by Amy Poehler and writer George R.R. Martin, plus Captain Sensible who sits in with the 8G band.

Quentin Tarantino, Ross Mathews

Students confront the responsibilities of parenthood, with Rhiannon taking to the project like a duck to water. Carol feels the pinch now her hands are no longer in George's pockets. She sees an opportunity to make some cash, but may leave Maggie without a job in the process. Allie reveals how bad Justin's anger issues are to her father. Vaughan decides it's time for his son to face the consequences of his actions.

Kevin McCloud returns to a unique Japanese-Welsh fusion home in the Wye Valley to see how the improvised building weathered one of the wettest winters on record.

Tamayo Hussey has missed Japan ever since she moved to the UK 15 years ago with her husband Nigel. To stave off the homesickness they decided to transform their home into a one-of-a-kind Japanese house - complete with Japanese roof bath, tatami room and paper sliding walls.

Kevin finds out if it has brought the calm and tranquillity Tamayo remembers from her childhood in Japan.

The entrepreneurs enter the 21st century when they create online video channels to go live on YouTube. One team opts for light-hearted cookery demonstrations, while the other settles for health and fitness - but will their concept work out? In their clamour for the most clicks, the hopefuls join forces with existing YouTube stars, grill famous cooks and tackle teenage heart-throbs. But it's not just a case of who gets the most hits, as they also have to pitch to a website for promotion - and it's here that one contestant goes a little over the top. As always, the challenge ends in the boardroom, where the teams find out whether either of them went viral - and one or more of the losers faces a firing.

There is a discovery on Pritchard farm that has turned into a murder inquiry with a massive-multi-agency investigation. The severity of the case brings together Dodson and Syndicate 9. Janet becomes under investigation after being involved in the fatal collision with Cal Pritchard. She is also unable to interview Evie Pritchard. After the devastating consequence of their actions, Janet finds solace in Chris's clam reasoning. Evie Pritchard smells alcohol on Gill's breath, giving her the ammunition she needs to discredit Gill from the case. However, Janet and Rachel are determined to get Gill to retirement with her reputation in tact.

It's New Year's Eve in Lillehammer, and Frank is getting ready to party. Through the window, he discovers a young woman in distress and decides to come to the rescue. But soon it's Frank who need help.

A Saturday health and wellbeing workshop with a neighbouring branch makes Karl much more relaxed than he wants to be, and presents Natalie with a big decision.

The park workers try to keep Muscle Man awake by telling him scary stories in the car while driving to visit his mother.