After narrowly escaping death, Juliana discovers a family secret that could have global implications - and leads her to make a life-changing decision. Kido, Tagomi, and Frank all take dangerous risks, while back in New York, Joe settles into a normal routine, only to have it turned upside down when Smith gives him the opportunity he's waited for his whole life.
Tagomi enlists Kido in a deception to save Japan from destruction. As Smith's life crumbles around him, he makes a dangerously bold play to hold onto his power. Joe tries to do the right thing but suffers the ultimate betrayal. Juliana must make a heart-wrenching choice that will shape the future of the world.
The OA retraces the dramatic twists and turns in her life after a childhood accident, leading up to a fateful encounter far from home many years later.
A journalist approaches the family with an offer. At Hap's, a bond is forged with Homer and the others as they hatch a desperate plan.
An agonizing dilemma gives OA a new perspective on the group's plight. Homer resolves to find out what Hap's experiments are really about.
A woman missing for seven years turns up at a hospital with strange scars on her back but can't -- or won't -- reveal where she's been.
As the group continues its search for the final movement, a startling turn of events gives Hap's work a new urgency.
In a fight with Black Adam on the Rock of Eternity several Djinns get released and the Justice League has to stop them. Part one of a four part episode also known as Shazam Slam.
Sandi Toksvig looks at some non sequiturs with Miles Jupp, Deirdre O'Kane, Phill Jupitus and Alan Davies.
Wayde and Brett team up with Australian Pop star, Alli Simpson to help spread some holiday cheer. They travel to Flint, Michigan to donate an incredible aquarium to the Children’s Miracle Network and the Hurley Children’s Hospital.
Isak has to take care of Even while he is in a period of depression and get help from Eskild and the other flatmates. Isak hosts a Christmas party for the revue group after Vilde asks him.
When Yay-OK goes back to school to finish his degree, he discovers that it has changed a lot since he was last a student.
Sunny and the Reaper meet again and go to a café. She grows impatient and tries to have a conversation, but when she asks his name he abruptly leaves.
Uncle Grandpa helps a girl fall asleep by counting sheep, but one goes missing.
YAY-OK shows the monkeys a panic room and they keep on making up emergencies, so they can go inside. YAY-OK gets annoyed with this.
Joon-hyung criticizes Jae-yi after he shows up at a weightlifting competition to cheer Bok-joo on, not knowing she doesn't want to be seen like that.
Uncle Grandpa hates going to the doctor, but he's overdue for an important vaccination.
The show's fourth Christmas-themed episode, and the second episode of the series that looks back at three past cases, including: a baby whose brain was infected with Cytomegalovirus in utero (All I Got For Christmas Is Brain Surgery); a woman whose eye is infected with the worm Dirofilaria immitis (A Holiday in the Hospital); and a man who has a surgical sponge left in his colon (also A Holiday in the Hospital).