Angered by recent events involving the safety of his unborn baby, Klaus demands answers from Sophie, believing she was involved. Sophie reveals to Klaus and Rebekah a troubling secret from her past. Meanwhile, Marcel asks Klaus to accompany him to the bayou after gruesome remains are discovered, while Rebekah, Sophie and Hayley set off on a mission of their own. Davina confides in an unexpected ally and reveals shocking information about the witches, ultimately leading to a disturbing revelation.

Remy begins to draw troubling parallels between recent events and painful chapters in Ravenswood history. Luke bristles at Caleb's presence, especially around Remy. And Miranda can't quite grasp her new reality.

Meanwhile, Luke tries to make Olivia face some hard truths about their parents. And Caleb comes face to face with the last person he ever expected to see.

NCIS partners with the Coast Guard Investigative Service (CGIS) to investigate a suspicious explosion on board an oil rig. Meanwhile, no one is safe from a mysterious prankster who is targeting the NCIS team.

The Four Chair Challenge round has come to an end, and judges Simon Cowell, Demi Lovato, Kelly Rowland and Paulina Rubio have revealed the Top 16 acts that will perform live for the judges tonight. Find out which acts will wow the audience and which ones will crack under pressure, as the judges announce the Season Three Top 12 finalists in an all-new LIVE episode of THE X FACTOR.

The "knockout rounds" continue with coaches Adam Levine, Blake Shelton, CeeLo Green and Christina Aguilera's eight strongest team members remaining from the battle rounds. In this phase of the competition the coaches pit two of their own team members against each other, but this time they find out only minutes before performing who they are up against. The artists each select their own song to perform individually, while their direct competitor watches and waits. Their coach will choose the winner and they will proceed to the live shows.

This week, the contestants are surprised to find that the gym is empty - and the only equipment they'll be able to use is equipment they've successfully bid on with "Biggest Loser" bucks in the show's first ever auction, run by host Alison Sweeney. Trainers Bob, Jillian and Dolvett and the players have to get creative to make the most of their limited equipment. Later, one player opens up to her trainer about her difficult childhood, and all of the contestants re-charge their spirits with a very special treat - getting to skype with their loved ones back home in emotional, heartwarming family visits. Then it's time to head to the gym for a very emotional weigh-in. Also this week, the show catches up with season 12 fan favorite Vinny Hickerson.

Beverly once again butts into her kids' lives, this time Barry is her target. Adam wants to hang with the cool kids instead of trick or treating with Pops, but at what cost?.

Seth brings in a consultant to increase their retail business; the Golds check out Star Trek memorabilia that is out of this world; one hot mama throws a tantrum when Ashley refuses to pawn her busted car seat.

Sam and Dean discover that the table in the Men of Letters house (the one that lit up like a Christmas Tree when the angels fell), has an ancient computer attached to it. They figure if they can get the computer on, they can track the angels. Who better to call for help than the best IT girl there is, Charlie? While moving the massive computer, they dislodge a hidden hexbag that unleashes a magical green-webbed wall. Sam and Dean break through it and discover the one and only Dorothy from Oz. She had trapped herself and the wicked witch in the web years ago to stop the witch from finding the key that would open the gate that connected their world with Oz. With the wall broken, a massive and magical fight ensues that threatens to destroy the Men of Letters house.

Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions.

Is it possible to make a vehicle that's as good on water as it is on land? Rut, Adam and Tanner build their own amphibious vehicle and put them through a series of road tests before embarking on a huge water challenge, attempting to cross one of the Great Lakes.

The four remaining artists must create original human-bird hybrids for the penultimate Spotlight Challenge.

Halloween is Jackie and Bert's most favorite holiday, but when Jackie's homemade Iron Man costume doesn't turn out the way Bert had intended, Kate swoops in and hijacks the holiday. Meanwhile, Pete suspects a masked trick-or-treater as the same teenage misfit who egged the house and mooned him last year, so he holds the kid hostage trying to force a confession.

Pressure mounts on Jax as the sins of his club and family pull him in different directions.

Daniel shows that nothing good can happen when you mix alcohol and electricity; the show's sexiest Web redemption ever.

While Finch tries to protect an estate investigator whose Number has gone up, Reese searches for a missing Sam... unaware that Root has convinced Sam to help with a mission for The Machine. Meanwhile, Carter teaches Laskey about the reality of how HR operates.

Everyone pieces together events from Jenna's birthday party to figure out if her and Matty are still together.

Led by Moose Nazir, the animals of Brickleberry revolt and want Malloy to take back the park; Steve works hard to prevent Malloy from finding out that it was actually he who killed Malloy's parents.

Rep. Debbie Wasserman Schultz

Queen Latifah, Asa Butterfield

Billy Collins

Rob Lowe, the 2013 Indy Car champion, Alan Jackson

Savannah Guthrie, Mark Cuban, Kodaline

Coming Soon...

Alyssa Milano, Lawrence Block

Ariadne Oliver is asked to devise a murder hunt for a Devon fête, but her sense of foreboding summons Poirot to the scene. Her fears are realized when, during the fête, the girl playing her murder victim winds up well and truly murdered.

Paul and Mary show what they would have done in dessert and pie challenges. Mary: 'Tipsy Trifle', floating islands and 'Wobbly Apricot Tart'. Paul: custard tarts and spanakopita.

Charlie and Pauline get married once again.

The team are faced with a race against time as the killer strikes again and this time it's a elderly victim.

Michael Butcher and Phil Palmer fell in love with Christmas Farm, near Newbury, and decided to give up their urban media jobs and move to the country.

Johnny finds out some interesting facts about the swim instructor. He illegally acquires two more crew members. Both the police and some British criminals take a special interest in the Ferrari.

The gang are out picking up litter as Rudy finds out that his dad is having an affair. Rudy investigates further with Jess's help and discovers that his dad has a superpower of his own.

Cyborg and Beast Boy have a staring contest that lasts thirty years, bringing them face-to-face with a future of adulthood and responsibility... and they hate it.