Ready to watch NCIS online? This is your chance to relive all of the team's cases, exchanges and decisions, while catching up on anything you may have missed on the long-running and increasingly popular CBS drama.

Bishop and Gibbs - NCIS
Watch NCIS Season 12 Episode 21
"Lost in Translation"
Original Air Date:

On NCIS Season 12 Episode 21, when a murdered marine is linked to a terror group that is holding another marine hostage overseas, Gibbs and Bishop head to Afghanistan.

Meeting Dad - NCIS
Watch NCIS Season 12 Episode 20
"No Good Deed"
Original Air Date:

On NCIS Season 12 Episode 20, when an investigation links back to a weapon originally purchased for a controversial ATF sting operation, Tony ends up partnering with Zoe.

The 40-Year-Old Cold Case - NCIS
Watch NCIS Season 12 Episode 19
"Patience"
Original Air Date:

On NCIS Season 12 Episode 19, the murder investigation of a petty officer gives Gibbs and DiNozzo a lead on a 40 year old airport bombing cold case.

Reunited - NCIS
Watch NCIS Season 12 Episode 18
"Status Update"
Original Air Date:

On NCIS Season 12 Episode 18, McGee and Delilah are reunited when the investigation into a dead man in a marine's home leads to a terror group from Dubai.

DiNozzo Sr Returns - NCIS
Watch NCIS Season 12 Episode 17
"The Artful Dodger"
Original Air Date:

The NCIS Season 12 Episode 17, Tony's father returns to help the team with his contacts in the black market art world when a murder case that involves a rare painting being stolen.

An Old Alias - NCIS
Watch NCIS Season 12 Episode 16
"Blast from the Past"
Original Air Date:

On NCIS Season 12 Episode 16, a murder victim is found to have been living under an alias Gibbs used in a 20-year-old undercover operation.

Gibbs Help Fornell - NCIS
Watch NCIS Season 12 Episode 15
"Cabin Fever"
Original Air Date:

On NCIS Season 12 Episode 15, Gibbs opts to sit out of an investigation that could lead to his arch-nemesis in order to help Fornell deal with the murder of his ex-wife.

Back to School - NCIS
Watch NCIS Season 12 Episode 14
"Cadence"
Original Air Date:

On NCIS Season 12 Episode 14, the team visits a military academy which DiNozzo atteneded as a kid when a Marina and alumni is murdered while holding the photo for student.

Medals and Murder - NCIS
Watch NCIS Season 12 Episode 13
"We Build, We Fight"
Original Air Date:

On NCIS Season 12 Episode 13, the team investigates when the first openly gay NAVY servicemember set to be awarded the medal of honor is murdered.

Home Grown Terrorist - NCIS
Watch NCIS Season 12 Episode 12
"The Enemy Within"
Original Air Date:

On NCIS Season 12 Episode 12, after a rescue mission in Syria reveals an American was involved in the abduction of a social worker, the team looks for a home-grown terrorist.

You're in for some excitement, some danger, a lot of criminal activity investigation and even occasionally a little romance when you watch NCIS online. NCIS stands for Naval Criminal Investigative Service, and involves eight characters, all of whom operate as a cohesive NCIS team, but also serve as each other's friends. The lead guy is Leroy Jethro Gibbs, played by Mark Harmon - a no-nonsense leader who demands a top-notch performance from each of his team mates. Gibbs' boss is Leon Vance, who is played by Rocky Carroll. Leon provides overall direction for three different NCIS services. Gibbs' second in command is Tony DiNozzo, a younger version of Gibbs. Tony likes movies a lot and can drop quotes from some of the classics at a moment's notice. One of Tony's best friends and oldest team mates is Timothy McGee, who is played by Sean Murray. Tim is a computer geek who is able to hack into systems whenever necessary to save lives and advance the investigation. NCIS' medical examiner team is Donald "Ducky" Mallard, played by David McCallum, and his assistant Jimmy Palmer, played by Brian Dietzen. Abby Sciuto is the team's forensic scientist and moral support for the team. The newest member and final member of the team is Emily Wickersham, a woman who has amazing recall and can memorize a book. You can meet all of these fascinating characters as they get called in time and again to resolve murders, crimes and even terrorist activities, when you watch NCIS online!

NCIS Quotes

Abby: It's okay. Breena's fine. Breathe. Good. Now hurry up and get to the hospital because Breena is in labor.
McGee: Jimmy? Did you hear what she said? She just said Breena's having a baby. I think you broke him.

Qasim: Who did you lose, exactly?
Bishop: A co-worker, a few years ago.
Qasim: It stays with you doesn't it? It's a heavy burden to bear alone.
Bishop: Look, I focus on the analytic aspects of things. That's where I'm effective. It's how I can best help people.
Qasim: And who is it that helps you? It's what we don't say that weighs the most. I hope you find the answers you're looking for.