A shocking revelation causes chaos in National City. Supergirl sets out to capture Mercy Graves, while Alex takes control at the DEO. Back at CatCo, Kara decides to write an investigative story on Mercy and asks Lena if she can interview her as Mercy has ties to the Luthors. Meanwhile, Brainy meets Nia and the two end up in a precarious situation.

A game of spin the bottle prompts burning questions about love and beauty. Anne and Cole bond over their differences as Gilbert makes his way home.

Suggestions from the God Account lead Miles and Cara to the Hayden Planetarium, where they meet a young woman, Fliss, who is searching for her old boyfriend who may have been "the one". Also, Rakesh and Jaya look into a tour guide at the planetarium who Rakesh thinks may be connected to the God Account, and Arthur tries to put a piece of his past behind him.

Homer wins an oyster-eating contest against the mythical Cthulhu, Springfield is overrun by plant body-snatchers, Lisa finally snaps and Mr. Burns opens a retirement home with some Jurassic upgrades.

As the battle for the Senate heats up with post-Kavanaugh polls forecasting a Republican resurgence, The Circus travels the country charting the shifting dynamics in three of the closest races - each considered a must-win if Democrats hope to gain the majority. In Arizona, it's neck and neck between Kyrsten Sinema and Martha McSally; in Nevada, Jacky Rosen digs deep to take on incumbent Dean Heller; plus, a sit-down with North Dakota's Heidi Heitkamp, who's fighting for her political life in the wake of a campaign ad controversy.

Packing for the pool, Bluey and Dad tease Mum about being so fussy with what to take. But when they arrive underprepared, they realise a little planning goes a long way.

The kids set out for their regular Halloween shenanigans, but when everyone's candy bags start mysteriously disappearing, it's up to Tina, Louise and Gene to find the culprit. Meanwhile, Teddy decorates the restaurant to compete with another handyman on the street, but gets a little carried away.

Black Panther and Ms. Marvel head to the inhuman city of Attilan on a secret mission.

Vulture team must find a secretive enemy camp after days of fighting.

After Brian teases Stewie for being small, Stewie invents a shrinking machine that results in both of them shrinking to a microscopic size.

Trapped by his own success, Vincent envisions an idyllic rural life with Abby. Candy is frustrated by her mob backers' misogyny and weighs telling her son, Adam, what she really does for a living. Shay reverts to form, to Irene's dismay. Joey falls in love. Darlene deals with unexpected news. Lori hits a roadblock in her quest for adult-film stardom. Alston faces a dilemma involving his old partner, Flanagan. Paul and Kenneth arrive at a crossroads.

After getting a message from the spirit board to not trust Harry, the sisters are conflicted and ultimately concoct a plan to see if he is telling the truth. Desperate to believe the person warning them is trying to protect them, they end up going against their better judgement. Harry soon realizes that the sisters are up to no good and tries to help before it's too late. Meanwhile, this new sisterly unit is not fully unified, with Mel and Macy struggling with who's the real big sister and Maggie caught in the middle.

The NCIS team is in danger after their pictures, as well as Mosley and her son's names, are included on a cartel hit list. Also, NCIS Deputy Director Louis Ochoa arrives with Special Prosecutor John Rogers to interview Mosley about the off-the-books mission in Mexico.

Rick's vision for the future is threatened by a mysterious disappearance that divides the work camp where the communities are building a bridge.

Debbie finds Fiona at a low point and helps her pick up the pieces as Fiona continues to face pressure from Max Whitford on her investment hubris. Tami stumbles back into Lip's life. Frank enjoys the honeymoon period of his relationship with Ingrid, but reality interferes soon enough. Kev and V disagree about the future of their family.

A mother-daughter duo from Washington D.C., is passionate about their healthy vegan soups; an entrepreneur from Addison, Texas, pitches his new tool to make it simpler to invest in crypto-currency; a chef from New York, New York, wants to expand his vegan sushi restaurants across the nation; and in an emotional pitch, siblings from Long Island, New York, present the product of their late father, an NYC firefighter whose dream was to pitch in The Tank, but passed away before he could.

Bourdain travels to the untamed land of Big Bend, Texas near the Mexican border; an area that pits man against nature and in which the land usually wins. Bourdain shares meals with working cowboys who have made peace with the rough terrain, and meets with an anthropologist who decoded prehistoric landmark, the White Shaman wall painting.

Rel, Nat, Brittany and Dad get together to watch a scary zombie movie around Halloween night. The film, titled "Frederick Douglass: Zombie Slayer", is not what anyone expected and sparks a lot of controversy amongst the group.

Pollyanna McIntosh and a surprise cast member discuss the Season 9 episode of "The Walking Dead", "Warning Signs".

Elizabeth flies to Fashion Week in Milan to face off against the Chinese Foreign Minister over an anti-sweatshop treaty in the aftermath of a tragedy. Also, Daisy struggles with feelings of fear and pessimism over her baby's future, under the threat of rising nationalism in the wake of the attack on the White House.

Jeff goes off script and starts to speak more honestly to children on Puppet Time as Seb panics that Jeff will soon have to appear on live television for the National Tree Lighting Ceremony. Deirdre and Scott get a new visitor from Japan - Mr. Pickles-San. The Pickles have Thanksgiving as a family.

Beck suffers a loss and Joe is right there with a shoulder to lean on. But he can't quite shake the worry and jealousy he still feels. He goes to creative lengths to explore his fears, even creating a fake identity.

After her son, Orvis, gets roughed up in a game of flag football, Kathryn rushes him to the nearest hospital, flipping out about his health and the danger that Miguel's girlfriend, Jandice, poses to the weekend. As Kathryn and Walt attend to Orvis, the others hit a local bar, where a racially charged remark to Nina-Joy awakens George's rage. Elsewhere, Miguel and Jandice create real issues for a prissy shop owner.

Kaz befriends a sky racer named Rucklin who pressures him to take some rare and dangerous hyperfuel hidden in Yeager's office.

Gary takes Martin, Lenora, and a hidden team of rebels into the oil refinery under the pretense of selling the weapons to Major Kalumba. Martin negotiates the sale, and once they have the payment, Gary holds Kalumba at gunpoint, planning to leave with the money, the weapons, and three tankers of diesel, after which the rebels will bomb the refinery. Martin escapes and finds the bomb; he is unable to defuse it in time, but it malfunctions. Gary drops the money, and the rebels all kill each other over it. Lenora and Martin flee, but Martin is shot in the chest by a sniper, and Lenora leaves him for dead.

Patient 21 is afraid to fall asleep. After a parasomnia episode injures the new intern Bea, Dr. Roberts drops in to the patient's dream to guide him through the wake of his fears.

Patient 37 visits Dream Corp LLC for his debilitating fear of confined spaces. T.E.R.R.Y. discovers the internet.

As Fisk moves into swanky new digs amid a public outcry, Matt wrestles with how far he's ready to go to right this wrong. Dex's aim comes into focus.

Kathleen's forensic experts review the evidence found in Steven's burn pit. A 1996 statute limits Brendan's chances of success in federal court.

In the German hinterlands, between World Wars, a family goes to bed, not knowing that their killer has been living in the walls and attics of their home like a ghost, watching, waiting for his chance to strike, in one of the most famous unsolved mysteries of all time.

McKenna has an unconventional proposal.

The Red Room's contents are finally revealed as the Cranes return to the house to confront old ghosts, unspeakable secrets and an insatiable evil.

Victoria Coren Mitchell returns with the quiz in which teams must use patience, lateral thinking and sheer inspiration to make connections between four things that may appear at first not to be linked. In the first match the Hotpots take on the Poptimists, with one set of clues consisting of Beethoven's 7th, Centre of gravity, 3rd of November, and Very beginning.

Blindsided by Lau's abduction, David and Jonah embark on a desperate and frantic search that leads them to the devastating truth about Megan.

Kate and Florence return to the UK to locate a final missing item from Eve Ashby's case file against Patrice Ganimana. But someone is ahead of them, stopping at nothing to kill and terrorise his way to this key piece of missing evidence. Meanwhile Michael in the UK, Alice Munezero in Rwanda, and Eunice Clayton in the US, all believe the time has finally come to reveal the truth about a long-buried crime - which will in turn expose Kate to a dark, shocking truth about her own past, and which may destroy her relationship with Michael forever.

Chased by the DGSE and the CIA all the way to Moscow, Malotru tries to negotiate his return to France. The DGSE's new head of Internal Security, JJA, initiates a full-spectrum audit of The Bureau and its new chief Marie-Jeanne, with the clear-cut intention of severing a few heads in the process.

Dumped by the DGSE, Malotru comes out of hiding and is quickly located by the Russian secret services. At the DGSE, Liz manipulates Sisteron to cause distrust between he and Marie-Jeanne. Meanwhile, Jonas begins to suspect that his mission might be hiding an ulterior motive: to ultimately eliminate the Jihadists he has been targeting.

Sandi and Alan perigrinate through the QI park with Romesh Ranganathan, Rachel Parris and Richard Osman. Bring a packed lunch.