NCIS - Season 4
November 1, 2009 - 4:40 pm
Produced by Donald Bellisario (JAG), NCIS follows the workings of investigators at the Naval Criminal Investigative Service.
Led by the wise Special Agent Leroy Jethro Gibbs (Mark Harmon), a crack investigator who does not hesitate to break the rules to find his answers, the team has in terrorism cases 
murder, espionage and international arms smuggling. Gibbs is aided by homicide detective Anthony Dinozzo (Michael Weatherly), forensic scientist Abby Sciuto (Pauley Perrette), medical examiner Dr.
Donald Ducky Mallard (David McCallum), computer expert Timothy McGee (Sean Murray), and the new department head Jennifer Shepard (Lauren Holly). This collection presents every episode from the fourth installment of the series.