Knowing that Crisis is only weeks away, Barry prepares a member of Team Flash for life without him while hunting a terrifying meta-human with an unquenchable thirst. Meanwhile, Ralph uncovers a family secret.
Oliver, John, Laurel, and Tatsu seek out an important person within The Monitor's plan. Connor has a heart to heart with his brother.
Rebecca hosts a dinner party. Kevin tries to support those around him. Randall faces concerns about how his family is adjusting to their new home.
A loving husband and father of two, Jim Russo, is kidnapped after accidentally getting involved in illegal dealings far beyond what he imagined. Also, Jubal must make a difficult decision regarding his family and their future.
Bentley returns to CIA. Tara travels abroad. Edwards digs deeper. Doug has nightmares.
When Sharpe has a case that hits close to home, she and Max team up to make things right for the patient. Meanwhile, Iggy and Bloom are forced to make a tough call on a unique situation.
A deal is on the table for the MC but the price is paid in blood.
A nurse gets waylaid in Castle Rock.
The Merrills search for answers.
Annie tastes her own medicine.
Things take a dangerous turn when Betty and Charles track down Edgar and his Farmies. Archie and Veronica hold a car wash fundraiser at Pop's to raise money for the community center. Elsewhere, Jughead's first day at Stonewall Prep doesn't go as planned. Lastly, Cheryl learns a dark family secret from Nana Rose.
Dr. Choi and Dr. Marcel don't see eye-to-eye over the treatment of a patient's chronic pain and rumors start to circulate about Maggie. Dr. Manning works to help a young boy, but her treatment suggestions are challenged by the parents who believe in only using holistic remedies.
When a nor'easter hits Horseshoe Bay, Ace warns everyone that the storm has been known to blow restless spirits ashore. Meanwhile, Nancy confronts Nick about the secrets he's been keeping.
Tensions boil over among Bravo members when they disagree while training for a mission, and Jason must select a new candidate to join the team.
Kidd must prove herself at the National Firefighter Leadership Conference while the rest of Firehouse 51 is called to two eerily similar car wrecks. Mouch tries to keep everyone in the firehouse informed by starting a newsletter, but things quickly get out of hand. Cruz deals with a heartbreak.
Deacon's family gets caught in the crosshairs of a drug cartel when he and the SWAT team aim to bring down its leader, a former foreign rebel force leader running drugs in plain sight via a local flower market. Also, Hondo receives troubling news regarding his father, and Tan is forced to go before an internal review board due to his girlfriend's indiscretion.
During their trip to the Philadelphia Zoo, Mac sets up a text group chain for The Gang, but confusion sets in and The Gang must learn from the meerkats on how to communicate properly in a group.
A murder in a Bulgarian neighborhood results in a challenging investigation when locals won't talk to police. Ruzek has a clash with a patrol officer.
With the horrors of the night behind them the survivors deal with the fallout of their choices.
Sam and Dean together with Rowena work tirelessly to keep all of hell from breaking loose. Castiel cannot forgive an arrogant betrayal.
After being released from the mental hospital, Dr. Sturgis unexpectedly breaks up with Meemaw.
Meredith has a court hearing after skipping out on community service, while Bailey and Jo have a patient that Jo realizes is from the treatment facility. Richard and Gemma grab breakfast together and things go awry.
As the Salvatore School prepares for its annual football game against Mystic Falls High, the latest monster to arrive in Mystic Falls sets its eyes on one of the students. Landon and Josie's relationship is put to the test when a player from the opposing team catches his eye. Elsewhere, Lizzie enlists MG's help learning more about Sebastian, and Alaric goes head to head with Professor Vardemus.
Following the sudden death of a friend, Christy and Bonnie look for ways to honor her memory.
Michael and Jason hatch a plan. Eleanor learns firsthand the difficulties of running the neighborhood.
During therapy, a young Annalise is forced to acknowledge a very emotional and pivotal reality that makes her admit a hard truth. Meanwhile, a brutally beaten Frank returns home with a secret to share about Laurel's disappearance. Elsewhere in an attempt to get to know her father, Michaela accepts an offer to work alongside him but quickly learns that it's not all that it's cracked up to be.
With her friends' lives at stake, Rachel decides to take charge and end Mr. Tophat's reign of terror. Will this story have a happy ending... or is the Midnight Society doomed?
Cooper's moral compass is tested when an officer whom he served with as young man, long presumed to be dead, resurfaces as a POW.
It's Halloween and Five-0 investigates a home invasion turned deadly after a dangerous "monster" escapes from the basement. Also, Max returns to Oahu with a very special guest.
Fallon and Blake deal with the consequences of their actions in very different ways. Adam is on everyone's "WORST" list and Sam gets a visit from an unexpected guest at the hotel. Dominique continues with her devious plans and Culhane is the recipient of Fallon's impromptu good will.
On Halloween, Magnum and Jin (guest star Bobby Lee) search for a skip-tracer at a Halloween bash, just as Katsumoto tracks an escaped killer who is headed to that same party. Also, Higgins and Rick must spend the night at an allegedly haunted house in order to debunk the notion, and TC and Kumu protect a sacred Hawaiian burial ground.
Sam and the Brides arrive at Fort Collins, where Hansen reveals a secret for raising the Dark One.
A new villain with an eye for all things that sparkle drops in on the city. Kate attempts to find a balance between her personal life and her new role as Gotham's guardian. Catherine has an uncomfortable encounter with Alice who always seems to be one step ahead of the Kane family. Batwoman pays fangirl Mary a visit to ask for a favor. Meanwhile, Jacob and Sophie try to piece together who was after their prisoner. Luke continues to finetune Batwoman's arsenal of weapons as the pair track their unwelcome visitor and discover she has more sinister plans than snatching shiny objects.
As Ghost and Tommy move forward with their plan to kill Jason, Tommy enacts a plan of his own. Dre uses a ruse to force Tommy's organization to rebel against him. Tommy battles the kin of one of his past victims.
As Angela relives haunting memories of an attack on her family, she detains a mysterious man who claims responsibility for Tulsa's most recent murder. Elsewhere, an original play is performed for an audience of one.
Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J'onn J'onzz reaches a boiling point.
Negan feels the brunt of the Alexandrians' fears as their paranoia of the Whisperers grows; a safety issue catches the group off guard at Hilltop.
As wildfires threaten Los Angeles, Helen and Noah are forced to run for their lives and confront old wounds along the way.
Richard discovers his promise that Pied Piper won't collect user data is under threat; Jared longs for the past; Gilfoyle gets creative in dealing with Dinesh.
elliot, mrrobot, and tyrell walkin' in a winter wonderland. darlene meets a bad santa. dom is DTF.
As part of their second phase of training, the rookies are asked to develop their first confidential informants. Officer Nolan soon discovers that no two informants are the same and struggles with his newest task. Meanwhile, Officer Chen's mother complicates her home life when she comes to stay with her.
Henry teams up with a Marine veteran to fight for legislation that helps Veterans Affairs provide better mental health care, but he encounters surprising resistance from Vice President Carlos Morejon. Also, Senator Hanson questions Daisy about an arrest in her past.
Athena and the 118 respond to bizarre emergency calls on Halloween, including a flock of crows terrorizing a field trip, an office employee having a close encounter with an eight-limbed creature and a ghost-like girl wandering a neighborhood. Meanwhile, Maddie remains convinced that she is doing the right thing in taking a 9-1-1 call into her own hands.
Jefferson faces new challenges due to the shocking state of Freeland. Lynn finds herself under intense pressure as she desperately tries to find a solution to the continuing crisis in Freeland. Meanwhile, Anissa continues her work at the clinic. Lastly, Jennifer finds her confidence shaken.
When Bright uncovers a photo of himself and Martin from when he was a kid, he is forced to focus on the repressed memories from his childhood psyche. Meanwhile, he finds himself bonding with a young boy connected to the NYPD's latest homicide. Also, Jessica and Malcolm finally agree on one thing – they must put a stop to Ainsley's idea to interview "The Surgeon".
Big changes come to The Deuce as Gene sees opportunity in the city's public health crisis. Vincent looks to get out from under the mob's thumb and makes peace with Abby, who decides to pursue a new future. Candy makes a critical choice in her relationship with Hank. Harvey speaks his mind about Candy's film. Alston recognizes the truth of Midtown's redevelopment. Melissa makes a commitment, while Loretta takes on a big responsibility.
Sydney and Elijah try two separate cases for an ex-college football star Marcus Wright who is dying. Della is presented with a lifetime achievement award from the LGBTQ community.