After Prometheus attacks Curtis, Oliver realizes Prometheus knows all of Team Arrow’s secret identities and is planning to come for them one by one. Felicity and Detective Malone discover a clue that links Prometheus to Oliver’s past.

Bow urges Dre to use his connections and secure Zoey a fellowship, but he doesn’t want his daughter relying on nepotism. When Bow finds Zoey a place at the hospital, Dre balks at the idea and successfully pulls some strings at Teen Vogue. Meanwhile, Junior loses his first job at an arcade pizza joint that the twins love after he reports their unclean practices to corporate, and they shut it down.

Chance is trained in hand-to-hand combat in preparation for a confrontation with Blackstone.

A 13-year-old girl arrives at Angels Memorial following a seizure caused by spina bifida and the doctors are shocked to learn she is Campbell's daughter. Meanwhile, a workaholic deaf patient and her translator are treated after their car rolls into the Los Angeles River.

The BAU team heads to Yakima, Wash., after the remains of a dozen people are found along a creek bed.

When classified government documents are leaked online, President Kirkman searches for the party responsible only to find that they have taken refuge inside a foreign embassy and are beyond even his reach. Agent Hannah Wells races furiously to gather evidence of MacLeish's involvement in the conspiracy before he can be confirmed as the country's next Vice President.

Andre sabotages Tiana’s big appearance at a fashion event in an attempt to get Nessa into the spotlight. Meanwhile, Tariq works with Leah to try to bring down Lucious, and Jamal works with Philip to get over his PTSD.

Alexa's husband visits. Dora makes a terrifying discovery. Schmidt's engagement party goes awry.

The whole precinct's holiday celebrations are cut short when they're called to examine a ruthless homicide linked to Eddie Flores (guest star Raul Casso), the deranged nephew of a notable drug lord who has a previous history with Riggs. The holiday season weighs heavily on Riggs, who flashes back to past Christmases with his former wife, Miranda. Murtaugh is also a little preoccupied with his neighbor's obnoxious holiday decorations.

A traitor is exposed while a ghost from Salem’s past makes a shocking appearance.

As TROLLTRACE goes live, Sheila logs on to see Gerald’s on-line activity. At SpaceX, Cartman tries to convince the scientists that going to Mars is a bad idea. And defying their mom, Kyle and Ike get all the kids together to try to save the world from certain destruction.

JJ instantly wants to join a sled hockey team made up entirely of people with disabilities, but Jimmy is not thrilled and thinks it’s dangerous. Meanwhile, Maya takes a CPR class with Kenneth, and she sees how popular he is and realizes that she needs to be nicer in order to keep him as JJ’s aide.

Episode info coming soon ..

The Kattegat locals chide Ragnar that the gods have deserted him as he struggles to crew his voyage to Wessex. It's Bjorn who has charisma now as he prepares to fulfill his long-held dream to explore the Mediterranean in a sleek new boat built for him by Floki. By contrast, Ragnar must accept weathered boats and a crew he has bribed but when Aslaug foresees that the fleet will be lost in a vicious storm her warnings go un-heeded by Ragnar and her precious son, Ivar.