: In one of the most shocking finales in TV history, Sasha Alexander (Special Agent Caitlin "Kate" Todd) exited the series after her character was killed by Ari Haswari in the final seconds of "Twilight". Major Story Arcs & Landmarks
: After recurring in Season 1, Sean Murray was promoted to a series regular, with McGee becoming a full-time field agent at NCIS HQ. NCIS - Season 2
Often cited as the highest-rated episode of the season; involves an elderly Marine confessing to a 60-year-old murder. : In one of the most shocking finales
The devastating season finale featuring the sudden death of a main character. drawing 15.65 million viewers.
The season's most-watched episode, drawing 15.65 million viewers.