NCIS: 10 Best Episodes, According to IMDb

CBS's long-running series, NCIS, stars Mark Harmon as Naval Criminal Investigative Service Special Agent Leroy Jethro Gibbs who leads a unique and tight-knit team of agents through various cases ranging from homicide to international terrorism. Since originally airing in 2003, the show has become known for its cast of colorful characters and thrilling investigations making it one of the most-watched television series currently on air.