Watch Ncis S04e (7) -

This episode marks the first appearance of two women who become influential in the lives of the main characters:

demonstrates her technical skills by disarming two different bombs during the episode. Watch NCIS S04E (7)

(Susanna Thompson): An Army CID officer who leads the joint investigation alongside Gibbs. Sparks fly between her and Gibbs, establishing a long-term romantic interest. This episode marks the first appearance of two

suffers through another bout of poison ivy while processing the outdoor crime scene. Major Character Introductions suffers through another bout of poison ivy while

NCIS must cooperate with the Army's Criminal Investigative Division (CID).

You can stream NCIS Season 4, Episode 7 through the following services:

The seventh episode of , titled " Sandblast ," originally aired on November 7, 2006. It is a key episode that introduces significant recurring characters and focuses on a complex joint investigation between NCIS and the Army. Episode Overview