"Dressed to Kill" - DiNozzo's father returns with a big announcement on the 250th episode of NCIS.
"Bulletproof" - The NCIS team races to locate defective bulletproof vests being sent overseas to active duty military.
Bishop reveals her past connection to Parsa as the team continues their relentless hunt for the elusive terrorist.
In the aftermath of a drone attack, the NCIS team discovers key evidence.
NCIS partners with the Department of Defense to track down a killer.
After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause.
Emily Wickersham joins the NCIS team as NSA Analyst Eleanor "Ellie" Bishop.