twilight was the season finale of season 2.
Twilight
Season 2 Finale - Episode 'Twilight' - Aired on May 24, 2005
When she was killed in "twilight" (Season 2 Last Episode) by Ari
Season 3 episode 1, which was called 'Kill Ari 1'. It aired September 20th 2005
The Episode is titled "Twilight". It was the last episode of NCIS Season 2. In that episode, NCIS Special Agent Caitlyn Todd "Kate" was killed by the Hamas Terrorist Ari Haswari. This was the last episode for the Agent Kate character played by Sasha Alexander. Gibbs and team get their revenge when Ari is killed in the Season 3 Opening episodes.
Season 2, episode 22
The latest season finale is season 9, episode 24 "Till Death Do Us Part". That is the final episode of season 9. That wasn't the last ever episode of NCIS, they have renewed NCIS and there will be a season 10.
Spider and the Fly is the first episode of NCIS season 8. The last episode before that was the last episode of season 7 - Rule fiftyone
Ari Haswari (if your wondering that's Ziva's Half bother) in the episode "Twilight (Season 2 episode 23) ---NCIS9321
if you are talking about the episode it is from season 5.
24
Episode 2, season 7 is called Reunion.