Matt Biedel

When dozens of children from military families come down with a mysterious illness, the team try to deliver a cure before the holidays.

The team look into a deadly explosion at a military-sponsored charity event. Suspecting terrorism, they follow the list of names supplied by a news reporter.

Robin, an old flame of Don's, returns to prosecute an incarcerated criminal, but when three witnesses involved in the case are murdered, Don and the team fear she will be the next victim.

The team searches for the killer of a champion debater, who people believed had committed suicide after losing a debate.

NCIS teams with Homeland Security when the murder of a Navy master diver is discovered to be linked to the chatter concerning a foreign attack on the city.

When the girl from Allison's dreams is targeted by a dangerous serial killer, she determines to save her. Joe takes on extra responsibility at work.