A night at an amusement park takes a deadly turn when a roller coaster malfunction leaves lives hanging in the balance. Abby reaches out to Buck; Athena and Hen respond…

While outgoing President Fitz considers his legacy, the Gladiators question what’s next for OPA, and Jake finally discovers the motivation behind Peus’s and the Mystery Woman’s reign of terror.

Neela (who’s in Chicago) and Gallant (who’s in Iraq) miss each other and write letters. Gallant also tries to save the life of a little girl.

When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim’s “good-natured” pranks may have inspired ghoulish retribution. Meanwhile, Ziva…

After a bitter custody battle, shots are fired outside the courthouse. Bullets fly and the target is the little girl’s mother. Horatio goes after the father, who he suspects may…

Brenda’s parents return with surprising news that keeps Brenda’s mind from her case.

The BAU is called to investigate after a wealthy couple is murdered in their home following a Super Bowl party.

The BAU is called to investigate after a wealthy couple is murdered in their home following a Super Bowl party.

The Jeffersonian team investigates the murder of a nationally ranked gymnast, whose remains were hit by lightning and scattered throughout a public park. Although evidence points to a fellow gymnast…