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NCIS Season 6 Episode 21
When a government scientist goes missing, Abby is recruited to carry on his work, but the team worries that she may meet the same fate as her predecessor.
Watch NCIS Season 6 Episode 21 Online Free
NCIS Season 6 Episode 21 Online Free
Where to watch NCIS Season 6 Episode 21
NCIS Season 6 Episode 21 movie free online
NCIS Season 6 Episode 21 free online
Season 1 - Sep. 22, 2003
- play_arrowEps 1: Yankee White
- play_arrowEps 2: Hung Out to Dry
- play_arrowEps 3: Seadog
- play_arrowEps 4: The Immortals
- play_arrowEps 5: The Curse
- play_arrowEps 6: High Seas
- play_arrowEps 7: Sub Rosa
- play_arrowEps 8: Minimum Security
- play_arrowEps 9: Marine Down
- play_arrowEps 10: Left for Dead
- play_arrowEps 11: Eye Spy
- play_arrowEps 12: My Other Left Foot
- play_arrowEps 13: One Shot, One Kill
- play_arrowEps 14: The Good Samaritan
- play_arrowEps 15: Enigma
- play_arrowEps 16: Bête Noire
- play_arrowEps 17: The Truth Is Out There
- play_arrowEps 18: UnSEALed
- play_arrowEps 19: Dead Man Talking
- play_arrowEps 20: Missing
- play_arrowEps 21: Split Decision
- play_arrowEps 22: A Weak Link
- play_arrowEps 23: Reveille
Season 2 - Sep. 27, 2004
- play_arrowEps 1: See No Evil
- play_arrowEps 2: The Good Wives Club
- play_arrowEps 3: Vanished
- play_arrowEps 4: Lt. Jane Doe
- play_arrowEps 5: The Bone Yard
- play_arrowEps 6: Terminal Leave
- play_arrowEps 7: Call of Silence
- play_arrowEps 8: Heart Break
- play_arrowEps 9: Forced Entry
- play_arrowEps 10: Chained
- play_arrowEps 11: Black Water
- play_arrowEps 12: Doppelgänger
- play_arrowEps 13: The Meat Puzzle
- play_arrowEps 14: Witness
- play_arrowEps 15: Caught on Tape
- play_arrowEps 16: Pop Life
- play_arrowEps 17: An Eye for an Eye
- play_arrowEps 18: Bikini Wax
- play_arrowEps 19: Conspiracy Theory
- play_arrowEps 20: Red Cell
- play_arrowEps 21: Hometown Hero
- play_arrowEps 22: SWAK
- play_arrowEps 23: Twilight
Season 3 - Sep. 20, 2005
- play_arrowEps 1: Kill Ari (1)
- play_arrowEps 2: Kill Ari (2)
- play_arrowEps 3: Mind Games
- play_arrowEps 4: Silver War
- play_arrowEps 5: Switch
- play_arrowEps 6: The Voyeur's Web
- play_arrowEps 7: Honor Code
- play_arrowEps 8: Under Covers
- play_arrowEps 9: Frame-Up
- play_arrowEps 10: Probie
- play_arrowEps 11: Model Behavior
- play_arrowEps 12: Boxed In
- play_arrowEps 13: Deception
- play_arrowEps 14: Light Sleeper
- play_arrowEps 15: Head Case
- play_arrowEps 16: Family Secret
- play_arrowEps 17: Ravenous
- play_arrowEps 18: Bait
- play_arrowEps 19: Iced
- play_arrowEps 20: Untouchable
- play_arrowEps 21: Bloodbath
- play_arrowEps 22: Jeopardy
- play_arrowEps 23: Hiatus (1)
- play_arrowEps 24: Hiatus (2)
Season 4 - Sep. 18, 2006
- play_arrowEps 1: Shalom
- play_arrowEps 2: Escaped
- play_arrowEps 3: Singled Out
- play_arrowEps 4: Faking It
- play_arrowEps 5: Dead and Unburied
- play_arrowEps 6: Witch Hunt
- play_arrowEps 7: Sandblast
- play_arrowEps 8: Once a Hero
- play_arrowEps 9: Twisted Sister
- play_arrowEps 10: Smoked
- play_arrowEps 11: Driven
- play_arrowEps 12: Suspicion
- play_arrowEps 13: Sharif Returns
- play_arrowEps 14: Blowback
- play_arrowEps 15: Friends and Lovers
- play_arrowEps 16: Dead Man Walking
- play_arrowEps 17: Skeletons
- play_arrowEps 18: Iceman
- play_arrowEps 19: Grace Period
- play_arrowEps 20: Cover Story
- play_arrowEps 21: Brothers in Arms
- play_arrowEps 22: In the Dark
- play_arrowEps 23: Trojan Horse
- play_arrowEps 24: Angel of Death
Season 5 - Sep. 25, 2007
- play_arrowEps 1: Bury Your Dead
- play_arrowEps 2: Family
- play_arrowEps 3: Ex-File
- play_arrowEps 4: Identity Crisis
- play_arrowEps 5: Leap of Faith
- play_arrowEps 6: Chimera
- play_arrowEps 7: Requiem
- play_arrowEps 8: Designated Target
- play_arrowEps 9: Lost and Found
- play_arrowEps 10: Corporal Punishment
- play_arrowEps 11: Tribes
- play_arrowEps 12: Stakeout
- play_arrowEps 13: Dog Tags
- play_arrowEps 14: Internal Affairs
- play_arrowEps 15: In the Zone
- play_arrowEps 16: Recoil
- play_arrowEps 17: About Face
- play_arrowEps 18: Judgment Day (1)
Season 6 - Sep. 22, 2008
- play_arrowEps 1: Last Man Standing
- play_arrowEps 2: Agent Afloat
- play_arrowEps 3: Capitol Offense
- play_arrowEps 4: Heartland
- play_arrowEps 5: Nine Lives
- play_arrowEps 6: Murder 2.0
- play_arrowEps 7: Collateral Damage
- play_arrowEps 8: Cloak
- play_arrowEps 9: Dagger
- play_arrowEps 10: Road Kill
- play_arrowEps 11: Silent Night
- play_arrowEps 12: Caged
- play_arrowEps 13: Broken Bird
- play_arrowEps 14: Love and War
- play_arrowEps 15: Deliverance
- play_arrowEps 16: Bounce
- play_arrowEps 17: South by Southwest
- play_arrowEps 18: Knockout
- play_arrowEps 19: Hide and Seek
- play_arrowEps 20: Dead Reckoning
- play_arrowEps 21: Toxic
- play_arrowEps 22: Legend (1)
- play_arrowEps 23: Legend (2)
- play_arrowEps 24: Semper Fidelis
- play_arrowEps 25: Aliyah
Season 7 - Sep. 22, 2009
- play_arrowEps 1: Truth or Consequences
- play_arrowEps 2: Reunion
- play_arrowEps 3: The Inside Man
- play_arrowEps 4: Good Cop, Bad Cop
- play_arrowEps 5: Code of Conduct
- play_arrowEps 6: Outlaws and In-Laws
- play_arrowEps 7: Endgame
- play_arrowEps 8: Power Down
- play_arrowEps 9: Child's Play
- play_arrowEps 10: Faith
- play_arrowEps 11: Ignition
- play_arrowEps 12: Flesh and Blood
- play_arrowEps 13: Jet Lag
- play_arrowEps 14: Masquerade
- play_arrowEps 15: Jack Knife
- play_arrowEps 16: Mother's Day
- play_arrowEps 17: Double Identity
- play_arrowEps 18: Jurisdiction
- play_arrowEps 19: Guilty Pleasure
- play_arrowEps 20: Moonlighting
- play_arrowEps 21: Obsession
- play_arrowEps 22: Borderland
- play_arrowEps 23: Patriot Down
- play_arrowEps 24: Rule Fifty-One
Season 8 - Sep. 21, 2010
- play_arrowEps 1: Spider and the Fly
- play_arrowEps 2: Worst Nightmare
- play_arrowEps 3: Short Fuse
- play_arrowEps 4: Royals and Loyals
- play_arrowEps 5: Dead Air
- play_arrowEps 6: Cracked
- play_arrowEps 7: Broken Arrow
- play_arrowEps 8: Enemies Foreign (1)
- play_arrowEps 9: Enemies Domestic (2)
- play_arrowEps 10: False Witness
- play_arrowEps 11: Ships in the Night
- play_arrowEps 12: Recruited
- play_arrowEps 13: Freedom
- play_arrowEps 14: A Man Walks Into a Bar ...
- play_arrowEps 15: Defiance
- play_arrowEps 16: Kill Screen
- play_arrowEps 17: One Last Score
- play_arrowEps 18: Out of the Frying Pan...
- play_arrowEps 19: Tell-All
- play_arrowEps 20: Two-Faced
- play_arrowEps 21: Dead Reflection
- play_arrowEps 22: Baltimore
- play_arrowEps 23: Swan Song
- play_arrowEps 24: Pyramid
Season 9 - Sep. 20, 2011
- play_arrowEps 1: Nature of the Beast
- play_arrowEps 2: Restless
- play_arrowEps 3: Penelope's Papers
- play_arrowEps 4: Enemy on the Hill
- play_arrowEps 5: Safe Harbor
- play_arrowEps 6: Thirst
- play_arrowEps 7: Devil's Triangle
- play_arrowEps 8: Engaged (1)
- play_arrowEps 9: Engaged (2)
- play_arrowEps 10: Sins of the Father
- play_arrowEps 11: Newborn King
- play_arrowEps 12: Housekeeping
- play_arrowEps 13: A Desperate Man
- play_arrowEps 14: Life Before His Eyes
- play_arrowEps 15: Secrets
- play_arrowEps 16: Psych Out
- play_arrowEps 17: Need to Know
- play_arrowEps 18: The Tell
- play_arrowEps 19: The Good Son
- play_arrowEps 20: The Missionary Position
- play_arrowEps 21: Rekindled
- play_arrowEps 22: Playing with Fire
- play_arrowEps 23: Up in Smoke
- play_arrowEps 24: Till Death Do Us Part
Season 10 - Sep. 25, 2012
- play_arrowEps 1: Extreme Prejudice
- play_arrowEps 2: Recovery
- play_arrowEps 3: Phoenix
- play_arrowEps 4: Lost at Sea
- play_arrowEps 5: The Namesake
- play_arrowEps 6: Shell Shock (1)
- play_arrowEps 7: Shell Shock (2)
- play_arrowEps 8: Gone
- play_arrowEps 9: Devil's Trifecta
- play_arrowEps 10: You Better Watch Out
- play_arrowEps 11: Shabbat Shalom
- play_arrowEps 12: Shiva
- play_arrowEps 13: Hit and Run
- play_arrowEps 14: Canary
- play_arrowEps 15: Hereafter
- play_arrowEps 16: Detour
- play_arrowEps 17: Prime Suspect
- play_arrowEps 18: Seek
- play_arrowEps 19: Squall
- play_arrowEps 20: Chasing Ghosts
- play_arrowEps 21: Berlin
- play_arrowEps 22: Revenge
- play_arrowEps 23: Double Blind
- play_arrowEps 24: Damned If You Do
Season 11 - Sep. 24, 2013
- play_arrowEps 1: Whiskey Tango Foxtrot
- play_arrowEps 2: Past, Present, Future
- play_arrowEps 3: Under the Radar
- play_arrowEps 4: Anonymous Was a Woman
- play_arrowEps 5: Once a Crook
- play_arrowEps 6: Oil & Water
- play_arrowEps 7: Better Angels
- play_arrowEps 8: Alibi
- play_arrowEps 9: Gut Check
- play_arrowEps 10: Devil’s Triad
- play_arrowEps 11: Homesick
- play_arrowEps 12: Kill Chain
- play_arrowEps 13: Double Back
- play_arrowEps 14: Monsters and Men
- play_arrowEps 15: Bulletproof
- play_arrowEps 16: Dressed to Kill
- play_arrowEps 17: Rock and a Hard Place
- play_arrowEps 18: Crescent City (1)
- play_arrowEps 19: Crescent City (2)
- play_arrowEps 20: Page Not Found
- play_arrowEps 21: Alleged
- play_arrowEps 22: Shooter
- play_arrowEps 23: The Admiral's Daughter
- play_arrowEps 24: Honor Thy Father
Season 12 - Sep. 23, 2014
- play_arrowEps 1: Twenty Klicks
- play_arrowEps 2: Kill the Messenger
- play_arrowEps 3: So It Goes
- play_arrowEps 4: Choke Hold
- play_arrowEps 5: The San Dominick
- play_arrowEps 6: Parental Guidance Suggested
- play_arrowEps 7: The Searchers
- play_arrowEps 8: Semper Fortis
- play_arrowEps 9: Grounded
- play_arrowEps 10: House Rules
- play_arrowEps 11: Check
- play_arrowEps 12: The Enemy Within
- play_arrowEps 13: We Build, We Fight
- play_arrowEps 14: Cadence
- play_arrowEps 15: Cabin Fever
- play_arrowEps 16: Blast from the Past
- play_arrowEps 17: The Artful Dodger
- play_arrowEps 18: Status Update
- play_arrowEps 19: Patience
- play_arrowEps 20: No Good Deed
- play_arrowEps 21: Lost in Translation
- play_arrowEps 22: Troll
- play_arrowEps 23: The Lost Boys
- play_arrowEps 24: Neverland
Season 13 - Sep. 21, 2015
- play_arrowEps 1: Stop the Bleeding
- play_arrowEps 2: Personal Day
- play_arrowEps 3: Incognito
- play_arrowEps 4: Double Trouble
- play_arrowEps 5: Lockdown
- play_arrowEps 6: Viral
- play_arrowEps 7: 16 Years
- play_arrowEps 8: Saviors
- play_arrowEps 9: Day in Court
- play_arrowEps 10: Blood Brothers
- play_arrowEps 11: Spinning Wheel
- play_arrowEps 12: Sister City: Part One
- play_arrowEps 13: Déjà Vu
- play_arrowEps 14: Decompressed
- play_arrowEps 15: React
- play_arrowEps 16: Loose Cannons
- play_arrowEps 17: After Hours
- play_arrowEps 18: Scope
- play_arrowEps 19: Reasonable Doubts
- play_arrowEps 20: Charade
- play_arrowEps 21: Return to Sender
- play_arrowEps 22: Homefront
- play_arrowEps 23: Dead Letter
- play_arrowEps 24: Family First
Season 14 - Sep. 19, 2016
- play_arrowEps 1: Rogue
- play_arrowEps 2: Being Bad
- play_arrowEps 3: Privileged Information
- play_arrowEps 4: Love Boat
- play_arrowEps 5: Philly
- play_arrowEps 6: Shell Game
- play_arrowEps 7: Home of the Brave
- play_arrowEps 8: Enemy Combatant
- play_arrowEps 9: Pay to Play
- play_arrowEps 10: The Tie That Binds
- play_arrowEps 11: Willoughby
- play_arrowEps 12: Off the Grid
- play_arrowEps 13: Keep Going
- play_arrowEps 14: Nonstop
- play_arrowEps 15: Pandora's Box (Part 1)
- play_arrowEps 16: A Many Splendored Thing
- play_arrowEps 17: What Lies Above
- play_arrowEps 18: M.I.A.
- play_arrowEps 19: The Wall
- play_arrowEps 20: A Bowl of Cherries
- play_arrowEps 21: One Book, Two Covers
- play_arrowEps 22: Beastmaster
- play_arrowEps 23: Something Blue
- play_arrowEps 24: Rendezvous
Season 15 - Sep. 26, 2017
- play_arrowEps 1: House Divided
- play_arrowEps 2: Twofer
- play_arrowEps 3: Exit Strategy
- play_arrowEps 4: Skeleton Crew
- play_arrowEps 5: Fake It ‘Till You Make It
- play_arrowEps 6: Trapped
- play_arrowEps 7: Burden of Proof
- play_arrowEps 8: Voices
- play_arrowEps 9: Ready or Not
- play_arrowEps 10: Double Down
- play_arrowEps 11: High Tide
- play_arrowEps 12: Dark Secrets
- play_arrowEps 13: Family Ties
- play_arrowEps 14: Keep Your Friends Close
- play_arrowEps 15: Keep Your Enemies Closer
- play_arrowEps 16: Handle with Care
- play_arrowEps 17: One Man's Trash
- play_arrowEps 18: Death from Above
- play_arrowEps 19: The Numerical Limit
- play_arrowEps 20: Sight Unseen
- play_arrowEps 21: One Step Forward
- play_arrowEps 22: Two Steps Back
- play_arrowEps 23: Fallout
- play_arrowEps 24: Date with Destiny
Season 16 - Sep. 25, 2018
- play_arrowEps 1: Destiny's Child
- play_arrowEps 2: Love Thy Neighbor
- play_arrowEps 3: Boom
- play_arrowEps 4: Third Wheel
- play_arrowEps 5: Fragments
- play_arrowEps 6: Beneath the Surface
- play_arrowEps 7: A Thousand Words
- play_arrowEps 8: Friendly Fire
- play_arrowEps 9: Tailing Angie
- play_arrowEps 10: What Child is This?
- play_arrowEps 11: Toil and Trouble
- play_arrowEps 12: The Last Link
- play_arrowEps 13: She
- play_arrowEps 14: Once Upon a Tim
- play_arrowEps 15: Crossing the Line
- play_arrowEps 16: Bears and Cubs
- play_arrowEps 17: Silent Service
- play_arrowEps 18: Mona Lisa
- play_arrowEps 19: Perennial
- play_arrowEps 20: Hail & Farewell
- play_arrowEps 21: Judge, Jury...
- play_arrowEps 22: ...and Executioner
- play_arrowEps 23: Lost Time
- play_arrowEps 24: Daughters
Season 17 - Sep. 24, 2019
- play_arrowEps 1: Out of the Darkness
- play_arrowEps 2: Into the Light
- play_arrowEps 3: Going Mobile
- play_arrowEps 4: Someone Else's Shoes
- play_arrowEps 5: Wide Awake
- play_arrowEps 6: Institutionalized
- play_arrowEps 7: No Vacancy
- play_arrowEps 8: Musical Chairs
- play_arrowEps 9: IRL
- play_arrowEps 10: The North Pole
- play_arrowEps 11: Episode 11
- play_arrowEps 12: Flight Plan
- play_arrowEps 13: Sound Off
- play_arrowEps 14: On Fire
- play_arrowEps 15: Lonely Hearts
- play_arrowEps 16: Ephemera
- play_arrowEps 17: In a Nutshell
- play_arrowEps 18: Schooled
- play_arrowEps 19: Blarney
- play_arrowEps 20: The Arizona
Season 18 - Nov. 17, 2020
- play_arrowEps 1: Sturgeon Season
- play_arrowEps 2: Everything Starts Somewhere
- play_arrowEps 3: Blood And Treasure
- play_arrowEps 4: Sunburn
- play_arrowEps 5: Head of the Snake
- play_arrowEps 6: 1mm
- play_arrowEps 7: The First Day
- play_arrowEps 8: True Believer
- play_arrowEps 9: Winter Chill
- play_arrowEps 10: Watchdog
- play_arrowEps 11: Gut Punch
- play_arrowEps 12: Sangre
- play_arrowEps 13: Misconduct
- play_arrowEps 14: Unseen Improvements
- play_arrowEps 15: Blown Away
- play_arrowEps 16: Rule 91
Season 19 - Sep. 20, 2021
- play_arrowEps 1: Blood in the Water
- play_arrowEps 2: Nearly Departed
- play_arrowEps 3: Road to Nowhere
- play_arrowEps 4: Great Wide Open
- play_arrowEps 5: Face the Strange
- play_arrowEps 6: False Start
- play_arrowEps 7: Docked
- play_arrowEps 8: Peacekeeper
- play_arrowEps 9: Collective Memory
- play_arrowEps 10: Pledge of Allegiance
- play_arrowEps 11: All Hands
- play_arrowEps 12: Fight or Flight
- play_arrowEps 13: The Helpers
- play_arrowEps 14: First Steps
- play_arrowEps 15: Thick As Thieves
- play_arrowEps 16: The Wake
- play_arrowEps 17: Starting Over
- play_arrowEps 18: Last Dance
- play_arrowEps 19: The Brat Pack
- play_arrowEps 20: All or Nothing
Season 20 - Sep. 19, 2022
- play_arrowEps 1: A Family Matter (I)
- play_arrowEps 2: Daddy Issues
- play_arrowEps 3: Unearth
- play_arrowEps 4: Leave No Trace
- play_arrowEps 5: Guardian
- play_arrowEps 6: The Good Fighter
- play_arrowEps 7: Love Lost
- play_arrowEps 8: Turkey Trot
- play_arrowEps 9: Higher Education
- play_arrowEps 10: Too Many Cooks (I)
- play_arrowEps 11: Bridges
- play_arrowEps 12: Big Rig
- play_arrowEps 13: Evil Eye
- play_arrowEps 14: Old Wounds
- play_arrowEps 15: Unusual Suspects
- play_arrowEps 16: Butterfly Effect
- play_arrowEps 17: Stranger in a Strange Land
- play_arrowEps 18: Head Games
- play_arrowEps 19: In the Spotlight
- play_arrowEps 20: Second Opinion
- play_arrowEps 21: Kompromat
- play_arrowEps 22: Black Sky
Season 21 - Feb. 12, 2024