NCIS - Season 2
In this season, Norfolk Case Agent Timothy McGee is promoted to a full-time field agent, and transferring to NCIS HQ in Washington to work with the Major Case Response Team. Tony DiNozzo nearly died of the pneumonic plague in "SWAK" while the season finale, "Twilight", ended with a shocking and unexpected twist: Caitlin Todd was shot and killed by Ari Haswari.