Dr. Chimpsky has a party, but no one comes to it. The monkeys and YAY-OK try to turn this around for him.
Uncle Grandpa and Pizza Steve help Mr. Gus try to get his face back to normal before an important photo shoot.
Uncle Grandpa and Pizza Steve try to convince Mr. Gus that his ventriloquist dummy is alive.
Gerry is blown away by the hotness of the new subs and sets his sights on Mary, the likely love of his life. Meanwhile, Simon and Nisha ready themselves for their big first kiss, and Bobbi attempts a "kill 'em with kindness" method for dealing with a difficult student.
Ben is in the Moroccan countryside, near the Atlas Mountains, staying with Dina and Mostafa, who shunned the American dream to live a simple lifestyle in a mud house. In this revealing travel documentary, Ben meets them at breaking point, as they have no money left and the land they’ve purchased can’t sustain them. Ben tries to play a part in improving their chances of surviving.
Finds include evidence of the first Roman siege in Britain and Scottish man-made islands.
Charles enlists Jake's help in tracking down his son's favorite toy for Christmas, and the two find themselves accidentally facing off against a Latvian criminal ring as a result. Back at the precinct, the team gears up for their annual Christmas carol competition against their sworn enemy: the MTA.
Bob Lee locates the bullet from the assassination, which leads him to a radical militia group and Isaac; and Nadine is locked in a deadly game of cat and mouse with Payne.
After the NCIS team tracks evidence from the murder of a Navy captain to Ducky’s deceased mother, Ducky looks back and questions a pivotal life choice he made 37 years ago.
Jess struggles to keep the loft's Secret Santa gift exchange afloat. When Winston believes his online gift order for Cece won't be delivered in time, he and Schmidt must endure going to an actual store to find a replacement gift. Meanwhile, Reagan surprises Nick, who helps makes Jess' Christmas one to remember.
Katie's holiday spirit, never great to begin with, is soured even further when Viv corners her into helping out with the school Christmas pageant. Greg, determined to teach Taylor and Oliver the true meaning of Christmas, takes them to a local nursing home to cheer up the residents, but things don't quite turn out the way he planned.
While the Huangs are out at the movies, Evan is accidentally left home alone, and Jessica vows to make it up to him. Meanwhile, Marvin takes a spill and is visited by Ghosts of Christmas Past, Present and Future.
Mary Kahn was an everyday parishioner who ascended to the Church of Scientology’s highest levels of spiritual enlightenment. But as she shares with Leah, the price tag of her experience was extreme – eventually including the relationship with her youngest son.
Dr. Bull confronts his past when he returns to his childhood home, assisting in the arson defense of a young man whose contentious ties to the town mirror Bull's own.
As the thaw draws to a close, Alaskans battle the clock to maximize their final days of sunlight in the Arctic.
When the judges move to oust Tribunal President Webb, MacArthur must appoint a new leader. The recently arrived justice from India stirs tensions.
Letty returns to her hometown armed with a new plan to take custody of her son, Jacob, with Javier's help. But Letty is confronted with the stark realities of motherhood when a day with her son turns into a crisis that could send her back to prison.