Test your NCIS knowledge with the largest collection of NCIS trivia online. Answer trivia questions about your favorite episodes and NCIS characters and actors including Leroy Jethro Gibbs (Mark Harmon), Anthony DiNozzo (Michael Weatherly), Abby Sciuto (Pauley Perrette), Dr. Donald 'Ducky' Mallard (David McCallum), and Timothy McGee (Sean Murray).
