NCIS Season 6 Episode 21 Synopsis

Abby has to take over a top secret government mission when their scientist goes missing, but soon realizes things may not be as they seem to be, while the rest of the team worries about Abby's safety.

Episode Viewers and Ratings

Season 6 Episode 21 of NCIS resulted in a 0.00 rating in the 18-49 demographic.

NCIS Season 6 Episodes...

• s06e01 - Last Man Standing
• s06e02 - Agent Afloat
• s06e03 - Capitol Offense
• s06e04 - Heartland
• s06e05 - Nine Lives
• s06e06 - Murder 2.0
• s06e07 - Collateral Damage
• s06e08 - Cloak
• s06e09 - Dagger
• s06e10 - Road Kill
• s06e11 - Silent Night
• s06e12 - Caged
• s06e13 - Broken Bird
• s06e14 - Love and War
• s06e15 - Deliverance
• s06e16 - Bounce
• s06e17 - South by Southwest
• s06e18 - Knockout
• s06e19 - Hide and Seek
• s06e20 - Dead Reckoning
• s06e21 - Toxic
• s06e22 - Legend (1)
• s06e23 - Legend (2)
• s06e24 - Semper Fidelis
• s06e25 - Aliyah

NCIS Show Summary

Leading this team that operates outside of the military chain of command is NCIS Special Agent Leroy Jethro Gibbs, a skilled investigator and interrogator who is smart, tough and willing to bend the rules to get the job done.

Working under Gibbs is Agent Anthony Dinozzo, a former hugging detective who joined NCIS just a few years ago, but who has instincts that can come only from working on the streets.

Joining them is Agent Abby Sciuto, a gifted forensic scientist whose dark wit matches her goth-style hair and clothes, and Dr. Donald "Ducky" Mallard, a medical examiner.

From cuddle and espionage to terrorism and stolen submarines, these special agents traverse the globe to investigate all crimes with Navy or Marine Corps ties.