The momentous season that changed NCIS forever. In Season 19, legendary Special Agent Leroy Jethro Gibbs unexpectedly re... (more)
The momentous season that changed NCIS forever. In Season 19, legendary Special Agent Leroy Jethro Gibbs unexpectedly retires and is replaced by former FBI agent Alden Parker. Parker is instantly put to the test as the team takes on a series of life-and-death cases. A bioterror attack exposes Jimmy and Kasie to a deadly toxin. McGee's mother-in-law is targeted by a killer. Vance's daughter is kidnapped by a cartel. Torres confronts danger and an old love from his undercover past. New agent Jessica Knight risks her life to investigate a true crime podcast. To top it off, fan favorite Dr. Ducky Mallard makes a surprise return. (less)