Check out the official preview for a look at the team's discovery at the chop shop:

The fifteenth episode of Season 3 is titled " Head Case " and originally aired on February 7, 2006. Plot Summary

The investigation takes a complex turn as the team discovers the head belongs to a Navy Captain who was supposed to have been cremated four months earlier. This leads Tony, McGee, and Ziva to a warehouse filled with human body parts, uncovering a larger conspiracy involving a corrupt medical examiner and a funeral home owner who were selling body parts for profit instead of cremating the remains. Director: Dennis Smith Writers: George Schenck and Frank Cardea Notable Guest Stars: Chelsea Field as Jocelyn Wayne (the Captain's widow) Scott Atkinson as LCDR Kyle Ross Bruce French as Floyd Vernon Where to Watch

The episode begins with the NCIS team raiding an illegal automotive chop-shop operated by a group of Navy sailors. During the bust, Ziva David makes a gruesome discovery: a severed human head stored inside a cooler in the trunk of a recently stolen Mercedes.

Individual episodes can be bought on Amazon Prime Video , Apple TV , and Fandango at Home .

You can stream NCIS Season 3, Episode 15 on several platforms: Available on Paramount+ , Hulu , and Netflix.