Watch Ncis S01e (21) Guide

: A group of teenagers filming a stunt find the body of a Marine ordnance specialist in the forest.

: Gibbs and Tony go undercover to infiltrate a local militia and track down stolen military weapons being sold on the black market. Watch NCIS S01E (21)

: During a standoff at a pawn shop, Tony's "buyer" reveals herself to be an undercover ATF agent , Melinda Stone. Notable Guest Stars Bellamy Young as ATF Special Agent Melinda Stone. : A group of teenagers filming a stunt

as Jimmy Palmer , making one of his earliest appearances as Ducky's new assistant. Sam Witwer as Staff Sgt. Rafael. Where to Watch Notable Guest Stars Bellamy Young as ATF Special

You can currently stream this episode on platforms like Paramount+ and CBS . Watch the official episode summary for NCIS S01E21:

: While it initially looks like an accident, Ducky determines the Marine was killed by a shoulder-launched assault weapon before being placed on the stump.

In , titled " Split Decision ," the team investigates the grisly discovery of a Marine's body impaled on a tree stump, which leads them into a dangerous world of illegal weapon smuggling. This episode originally aired on May 11, 2004 . Episode Highlights