Sharp Elbows – Boden suspects his neighbor is setting him up; Severide, who’s still on probation, receives a surprise visit from his father and also learns something about Patterson that could be a game changer; and romance blossoms at a fire department gala.
Behold the Lord High Executioner – The hunt for a Soviet spy turns deadly.
Thanksgiving Chanel goes to Chad’s family home for Thanksgiving, where she meets his family, and an uninvited guest wreaks havoc. Meanwhile, Dean Munsch gathers the Kappa House survivors for a dinner during which they throw around accusations about who is the actual killer and meantime, another victim falls.
Billy and the Kid – The murder of a marine provides clues to the first case that Pride and LaSalle ever worked on together, a murder that occurred right before Hurricane Katrina struck the city and washed away the evidence. Also, the team celebrates Thanksgiving together.
Giving Thanks, Getting Justice – Dean is excited to spend a real Thanksgiving celebration with the family, but his meddling uncovers a major, surprising family secret. Meanwhile, flashbacks reveal events that led to Dean’s departure from his hit TV drama and the show’s subsequent cancellation.
iNo – Dr. Choi treats a teen mother who abandoned her newborn baby in an alley, as the staffers must make difficult decisions about the teen’s future. Also, a hypochondriac with chest pains is treated, as is a patient suffering from possible dementia.
Gerald’s Two Dads – Jimmy schedules his annual Malibu Thanksgiving day with a hot model, but his plans get put on the back burner when he swings by Sara’s house and runs into her former boyfriend.
Blood Brothers – The Secretary of Defense calls on NCIS to help a sailor who is battling leukemia to locate a donor for a bone marrow transplant, after two of his siblings are killed in the line of duty. Meanwhile, Bishop returns home to Oklahoma for Thanksgiving.
Arm-ageddon – Boyle comes to the aid of a former military buddy who’s being charged with murder, and he asks Brian for help proving that his friend’s prosthetic arm was hacked to commit the crime. Elsewhere, Brian’s dad is adamant that his son stop working for the FBI.
Part 2 – On the second night of the two-night movie event, alliances are put to the test when a betrayal by the settlers leads to a broken agreement with the Pokanoket. Finding themselves again exposed, a new threat emerges for the Pilgrims as rumors spread that the natives are planning to attack the English. But after the Pilgrims help nurse an ailing Massasoit back to health, he warns them of the danger. The Pilgrims preemptively strike first and are victorious, and the Plymouth Colony’s renewed alliance with the Pokanoket would go on to last for more than 50 years.