While Barry and Iris deal with the heartbreaking loss of their daughter, Nora, the team faces their greatest threat yet - one that threatens to destroy all of Central City. Meanwhile, Killer Frost has a brush with death that results in an unexpected new dynamic that will change her relationship with Caitlin forever.

On the night before Halloween, Mavis and the gang want to be scared silly

Lou's trial continues in earnest. Bill is called as a hostile witness for the prosecution and complicates matters. Holly and Finkelstein draw closer together whilst Morris closes in on Peter. Alma destroys her incriminating evidence. Both Lou and Bill converse with their respective personal ghosts.

When a police officer shows up to the ER with an injured criminal that he caught in the act, it's up to the Chastain staff to keep him alive in order to save an innocent life. Nic gets roped into a surgical rotation with Cain that leaves her questioning the way he operates, and Conrad makes a shocking discovery about the hospital. Meanwhile, Bell pursues a new fiscal venture that may bring him into a whole new market.

Harris is forced to confront Darlene about her lifestyle. Jackie involves herself in other people's problems to avoid confronting her own. Becky is overwhelmed by the costs of raising a baby, so her family steps in to help.

After the body of a Marine Lieutenant is found hidden under an 18-wheeler, the NCIS team tracks the vehicle's previous locations to pinpoint the crime scene and suspect. Also, Sloane encourages the team to sit down and talk about Ziva's recent reappearance.

As A.C.M.E. closes in on Carmen in Sweden, she finds herself in a perilous predicament - and it's up to Ivy to thwart V.I.L.E'.s latest scheme.

When a body is found in a shopping container, Charlie teams up with a female cop from his past to solve the crime, Rex is not a fan and keeps getting between the two, keeping the path clear for Charlie and Sarah.

The Blind Auditions continue as the coaches vie to discover and coach the next singing phenomenon.

When Pedro works some candy magic on the TV remote, Mavis goes poof and winds up inside the TV.

The ladies head to Omaha for their annual exams, but the trip quickly goes off the rails. Kay is jealous of Beau's new dating profile. Mike, Rudy and Beau bond when an accident leaves them stranded in a tree.

While Lucious' plan to escape from the Feds finally comes to a head, Cookie finds herself in a dangerous situation with Damon. Andre is haunted by a ghost from his past that he can't seem to shake and Tiana receives backlash from fans over a social media post. Meanwhile, Becky tries her new artist on track and is surprised by an unexpected visit from family.

Vernon and his crew get stranded in the Yukon; Shawn finds a good luck charm in his son, and Ken suffers a mechanical setback

Randall is confronted with a tough choice. Kate and Toby adjust to their new home. Miguel and Jack's friendship solidifies.

After a front-running female presidential candidate, Valerie Caldwell, is targeted with a car bomb, OA and Maggie must hurry to track down the bomber before they strike again. The case leads them to wonder whether this person is targeting Caldwell for her political aspirations or something else.

After a teacher tells Rainbow to make sure her hair is "neat" for picture day, she becomes self-conscious and begins a complicated relationship with her hair. Meanwhile, Johan and Santamonica struggle with their own hair identity.

When Bow learns that Diane and Ruby don't believe in feminism, she brings Diane to meet the women in her feminist group. Bow's friend Abby thinks the group needs to be more inclusive, so Bow invites three of her girlfriends to join. Meanwhile, Junior and Jack help Dre after he realizes he is out of touch with modern-day feminism.

Pride travels to New York after new evidence links to a 20-year-old cold case from his time at Jefferson Parish Sheriff's office.

Unable to keep her secret any longer, Grace confesses to her family. However, not all of the Greenleafs are on her side, the situation is further complicated by the police, lies, affairs, and the interests of Harmony & Hope.

Max takes a chance on a new assistant and goes toe-to-toe with the board on a new plan. Iggy struggles to figure out what is causing a unit-wide illness. Kapoor receives some shocking news.

Violent actions yield violent ramifications for both the MC and Galindo cartel.

A mysterious illness takes hold of Piper, while Jo and Benny investigate a powerful tech mogul, Richard Kindred. As Piper's health deteriorates, Jo weighs accepting help from an unknown source. Meanwhile, Alex works to decipher a radio frequency code from Piper's plane crash, and Ed has a follow-up oncology appointment.

Daniel reviews a college student's shocking night, meets a 12-year-old with a love for songs about video games, and reveals what it's really like to attend a live taping.

Jim discusses the spate of recent deaths linked to vaping, visits Japan to examine the decline of sex among young people and looks at the disappearing stigma around STDs.

The Trump administration blocks an ambassador's testimony to Congress, Lewis Black highlights the scourge of surprise medical bills, and Susan Rice discusses "Tough Love".

Megan Gailey, Chris Jericho and Brett Gelman discuss Instagram's latest update and Kylie Jenner's $3 million car, and Bobby Miyamoto performs.

Tragedy forces a caveman and a dinosaur to rely upon each other for their survival.

Actor Clive Owen; actress Elsie Fisher; Lewis Capaldi performs.

Stephen welcomes actor Will Smith and actor Andrew Scott.

As Billy and Patty make their first appearance in court, their class action is threatened when they walk into traps set for them by the Blackwoods.

Connie gives Jessi a crash course in female pleasure, Maury tries to talk Andrew into sending a dick pic, and Nick lashes out at his new housemate.

As the friends turn to an unlikely source for help, one is forced to confront her greatest fear.

The life-altering events surrounding Mark's past come into focus. Nicole struggles to give Dion his dream birthday. Esperanza makes a discovery.

James welcomes actor Bradley Whitford with musical guest King Calaway.

On the day the new Chief of the Jaquins will be chosen, Migs must bring his three Jaquin kids to work.

Ruth is concerned about becoming increasingly forgetful, and is even more perturbed when Martin offers to perform a mini mental state examination. It confirms she is showing early signs of dementia. Meanwhile, Louisa plans a special evening to celebrate Martin's birthday, and Al decides to throw Morwenna a surprise engagement party on the same night. There are also problems when Louisa's class tutorial ends in disaster.

Jo Brand demonstrates an impressive grasp of street slang, Katy Wix uses a long part of her body to steal something and David Baddiel takes a sledgehammer to a problem.

For most people, living in a lighthouse is pure fantasy. Not so for Edward and Hazel Short and their two young daughters. Back in 2012, they set out to build a brand new, art deco, shining white lighthouse tower with additional bedrooms, guest rooms, and infinity pool on the side - all on a rugged but beautiful clifftop in North Devon. Kevin McCloud sees if they made that dream a reality.

The teams are challenged to create, manufacture and sell their own ranges of ice lollies.

Rom asks Natasha to throw him a party, but then starts acting strangely. Dr Shepherd has good news, but Rom's joy proves short-lived.

Rapunzel and Eugene's friends Angry and Red return to Corona permanently; their return quickly becomes a nightmare when the kingdom is stalked by a werewolf.