Barry's efforts to prepare Cisco for Crisis are derailed when Cisco schemes to save Barry's life instead. Meanwhile, Ramsey Rosso uses his deadly new abilities to save his own life, while sacrificing his humanity in the process.

Holly takes on a questionable roommate; after receiving an unexpected visitor, Ida seeks advice from Hodges; Alma and Morris decide they need more leverage.

Jackie learns that the Chinese restaurant is going out of business and sees an opportunity to reopen the Lunch Box, but she's caught by surprise when she uncovers a secret. Meanwhile, Mary gets upset when a woman assumes she is adopted, and Darlene continues to deal with her complicated love life.

Charlie and Rex are on the case after a social media star dies while livestreaming her wedding.

When Cassie immerses herself in a undercover assignment, threats both known and unexpected haunt her every living breath. Rob desperately hunts down one last lead.

Taylor Swift serves as a Mega Mentor to all of the coaches' teams as the coaches pair their artists to perform individually against a teammate and select a winner in each Knockout match to move on to the Playoffs.

Mike and Rio first met on Halloween years ago, so now Mike loves to commemorate the holiday by scaring the wits out of Rio all night. Unbeknownst to Mike, Rio actually hates the scares but is afraid to tell Mike. When Rio turns the tables on Mike and tries to scare him into ending Scare Night, Mike gets bitten by a bat and the night escalates from there.

Shawn pushes the Christine Rose to its maximum work depth. Emily faces an exhausted diver.

Kate and Toby try to make time for their marriage. Jack attempts to prove himself to Rebecca's father. Randall struggles to find his place with the other councilmen.

The popular girls at school ask Rainbow to join their group Halloween costume as Tootie from "The Facts of Life". She thinks this is finally her opportunity to fit in, but Denise views the situation differently. Meanwhile, Alicia doesn't want the kids to go trick-or-treating after Harrison and his colleagues tell her about all the dangerous things that can happen.

Reunited with his sister, Oliver and Thea find themselves searching through a familiar maze of catacombs. Meanwhile, John and Lyla partner on a special ops mission.

Halloween is around the corner and the Johnsons are definitely not seeing eye to eye on the family costume. The only thing they do agree on is that Jack's new friend Raymond has got to go. Meanwhile, Junior wants Devante's first trick-or-treating experience to be perfect.

Bishop moves to prevent Judee Whitmore's proposed governance structure; Jacob and Kerissa attempt to mend their wounds; a secret about Phil threatens his relationship with Charity; Grace realizes that what is right has never been less clear.

When a group of women on a retreat end up in the ED, Max gets some troubling information that could put a patient in jeopardy. Sharpe and Kapoor work together to mend fences between two feuding sisters.

The residual effects of Purge Night infect the lives of Ryan, Marcus, and Esme.

Dramatic revelations carve out different paths to vengeance.

Jo is determined to prove Kindred was behind the attack on Benny and April. Meanwhile, Piper experiences intense, confusing visions.

Bentley searches for answers. Edwards meets an asset. Doug gets a visitor. Soyun gets a mission.

Daniel looks at a gross way to maximize soup intake, meets a viral superhero with an anti-bullying message and watches parents traumatize their kids for Halloween.

Jim breaks down the latest Halloween trends, finds out whether sex trafficking is linked to legal prostitution, and compares American and British chocolate manufacturing.

Roy Wood Jr. reacts to Alexander Vindman's impeachment testimony, Californians flee massive wildfires, and rapper Noname talks about Noname's Book Club.

Actor Aaron Paul.

Christina P., Jon Lovitz and Benji Aflalo discuss Kanye West's upcoming tour, Spade chats with a young Chris Farley fan, and Charlotte McKinney makes her stand-up debut.

Actor Jason Momoa; comedy duo Rhett & Link.

Stephen welcomes actress Jennifer Aniston and actor Thomas Middleditch.

Dr. Champ tells BoJack it's time to leave rehab. Mr. Peanutbutter's reputation takes a hit. In Chicago, Diane wrestles with writer's block.

Sandy urges Norman to make a grand gesture for Madelyn. After Martin experiences a medical episode, Sandy decides to have a complete checkup.

As Turbo and Mona Lisa search for the traitor to their tribe, Josh and KJ venture into the wilds, and Angelica navigates a milestone on her own.

A remarkable gift from Ryan boosts the Ravens' flagging spirits. Becca smothers Leo with attention. Brooke makes an impulsive, ill-timed decision.

James welcomes actress Hailee Steinfeld with musical guest Mallrat.

Kath braces for a baptism of fire as the new president of the Southern Jets, and Tahlia hits a snag in the development of her swimsuit line which requires a battle with her former mother-in-law.

Minogue and O'Leary unwittingly free the ghost of an old fashioned cop from the 1930s. Can they stop him before he shuts every pub in Wellington for being open after 6pm closing time?

Martin and Louisa have their first fertility consultation with Dr Emma Ryder. Meanwhile, a case of vandalism at a local surf school is reported and PC Joe Penhale investigates. Elsewhere, Dr Edward Mullen returns to the surgery, and Bert is feeling the pressure from Caitlin. Starring Martin Clunes, Lucy Russell and Conleth Hill.

The five comics go undercover as they try to impress Greg Davies with their attempts at high-level espionage.

Lord Sugar sends the candidates to the historic university cities of Oxford and Cambridge, where they will attempt to procure nine items that are associated with both places.

To celebrate Halloween, Lee and Lucy decide to take their children trick-or-treating, but things take a turn for the worse when Lee loses his phone on the doorstep of a creepy Victorian house. Upon returning to retrieve it, he discovers the building holds secrets that would have been better left alone.