Premise: "Requiem" is the seventh episode in the fifth season, and the 101st overall episode, of the American crime drama television series "NCIS". It first aired on CBS in the United States on November 6, 2007. The episode was written by Shane Brennan and directed by Tony Wharmby.
Hypothesis: Requiem was scheduled to be the 100th episode during season 5 but was moved to the 101st overall episode.