On campus, Elena is touched by a sad and secretive student named Aaron. Elena and Damon attend the Whitmore Historical Ball dressed as Anne Boleyn and Henry VIII. At the Ball, Elena shares a dance with Dr. Maxfield, who has a disturbing message for her. Caroline's evening at the Ball takes her from happiness to heartbreak. Meanwhile, Nadia reveals her surprising history to Katherine, and Damon tries to make a deal with Silas. Silas' demand that Damon commit an unthinkable act leads to a violent confrontation.

THE X FACTOR introduces the Top 12 Finalists.

It's Halloween, and Nathan, Debbie and Adam take Mikayla trick-or-treating to the house of an old woman who everyone in the neighborhood thinks is a witch. Meanwhile, Nathan and Debbie are furious when they discover Carol lied about what really happened to their pet parrot they thought flew away when they were kids.

When Simon is nominated for the prestigious Impact Award for Advertiser of the Year, Sydney is surprised to find that her high school crush is in direct competition for the award against her father.

Sean fakes an injury to get out of partnering with Lorna in a ballroom dance competition. After seeing how kindly Lorna treats Hunter, Sean joins forces with Liz to compete against them.

When England's armies threaten Scotland's borders, Mary asks King Henry for help, but he refuses. Tomas, the son of the King of Portugal, proposes marriage to Mary, promising her aid against England if she'll abandon Francis and turn to Tomas instead. Francis puts Bash in jeopardy when he lets his feelings for Mary cloud his judgment.

It's Halloween and the doctors of Grey Sloan Memorial are hit with a barrage of spooky patients, which affects their own plans and puts one doctor's well-being in jeopardy. Meanwhile, Derek collaborates with Ben on a new surgical technique, and Richard angers Bailey when he asks a second year resident to perform his next surgery.

As Peter settles into a promoted position at the FBI, Neal has to pull off a brazen museum heist right underneath the FBI's nose.

Arachnids and insects inspire avant-garde fashions. Guest judges: Anya Ayoung-Chee and Jennifer Meyer.

Mike and Annie try to have a romantic weekend away at a charity golf tournament that Mike is playing in. While they're gone, Ian and Eve rent out the apartment to make some extra cash. After Leigh's date cancels on her, she has a "date night" with Graham.

In a special Halloween episode, Charlie gets a new patient in his therapy group who believes he's the devil.

After Maya performs a song in class, Zoe offers to direct her music video.

Murr, Joe, Sal and Q get creative with their French fries at the mall food court, and compete to see whose ridiculous invention will win over a focus group. Then, the guys head to the Jersey Shore to serve up some embarrassment at a beachside burger joint.

An explosive gangland hit sends rookie officer Jesse Calvert back to his roots in order to find the supplier of the deadly assault rifles. Jesse reconnects with an old friend, gang member Isaac Tibbs, whose sister Heather was killed in the shooting. As Jesse works to re-establish his credibility with the gang's leader Monk, he learns the toughest lesson about being undercover.

Sarah and Amber struggle with the wedding bell blues while Julia and Joel try to keep it all together. Kristina and Adam hit the campaign trail hard and enlist Team Braverman to go door-to-door, while Jasmine helps usher in a new era for Crosby and his band on the run. Zeek gives Camille a little of what she wants.

Henry reaches out to his only ally within Langley - Calder. Joan reveals something during her deposition that puts a wedge between herself and Arthur. An old flame reveals she still holds a torch for Auggie.

The team investigates Democratic Congresswoman Josie Marcus, while Olivia and Mellie have a surprising run-in during the White House Correspondents' Dinner. Meanwhile, Jake and Huck get closer to the truth about Operation Remington, which could lead to devastating results.

Get in the ring with the Pawn Stars when the guys check out a painting by Muhammad Ali. Known more for his skills in the ring than with a brush, can a knockout artist create knockout art? Then, Corey and Chumlee eye a Colt Dragoon pistol. Owned by one of the original settlers of the Lone Star State, will the guys make a Texas size offer? And later, the guys hire a consultant to make the shop more efficient, but will they embrace his changes?.

When Captain Gregson's home is invaded, Holmes and Watson work to find the masked gunman before he strikes again. Meanwhile, Gregson gives his team some insight into his private life.

Trick R' Treat with the Pawn Stars as Corey and Chumlee try to pull off the perfect duo Halloween costume. Can they be counted on to work as a team? Then, when Corey checks out a 1933 Plymouth, the Old Man tries to edge in on the deal. And later, a guy brings in a 1977 Mattel Electronic Football Game. A relic from Rick's childhood, can he separate business from nostalgia?.

Mark Fainaru-Wada

Rachel McAdams, Norman Reedus

Bill Bryson

Harrison Ford, Halloween costumes, Holy Ghost!

Matthew McConaughey, Eli Roth, the Fray

Eric Andre and Hannibal Burress were joined by James Van Der Beek and Steve-O.

Ben Kingsley, Anne Rice

Phryne finds herself becoming involved in the twilight world of silent movies after a leading actor and a director are murdered. She attempts to solve the crime and also save the production.

Paul and Mary show what they would have done for the challenges in the final weeks of the Bake Off. Paul: wheat-free crusty rye loaf and sweet and savory pretzels. Mary: sussex pond pudding, choux pastry religious, and an opera cake.

Shazia and Amjad are going up in the world; they have got a trial day at an exclusive gym.

Kirsty Young hosts the quiz, with regulars Paul Merton and Ian Hislop joined by financial journalist Max Keiser and stand-up comedian Tony Law to take a wry look at the week's headline stories.

Alex Jones, Tinchy Stryder, David O'Doherty and Katherine Ryan are the guests on the show this week.

Dan, unlike his ex-girlfriend Naomi, isn't invited to his niece's birthday party. Desperate to impress her he manages to persuade the family that he can be trusted with one of the big jobs to get the party ready.

Will his dad get to joyfully bathe in his son's failure yet again, or will Dan actually manage to pull it off?.

James Corden and the gang, including comedian Jimmy Carr and Olympian Amy Williams, go head-to-head in the standout challenge from series seven: the rally car race.

Stephen Fry gets things moving with a look into all things kinetic, with Jo Brand, Margus Brigstocke, Danny Baker and Alan Davies.

On Graham's sofa: pop legend Sir Elton John, chatting and performing Voyeur; actress Dame Judi Dench, starring in Philomena; journalist and presenter Jeremy Paxman; and comedian John Bishop.