Watch NCIS Season 12 full episodes online, free and paid options via our partners and affiliates.

Gibbs In the Field - NCIS
Watch NCIS Season 12 Episode 24
"Neverland"
Original Air Date:

On NCIS Season 12 Episode 24, after the shocking loss of one of their own, the team continues to investigate the terrorist group targeting kids on the season finale.

Recruiting Children - NCIS
Watch NCIS Season 12 Episode 23
"The Lost Boys"
Original Air Date:

On NCIS Season 12 Episode 23, the team investigates an international terrorist group recruiting children through the internet and purchasing S-bombs off the black market.

Jake's New Friend - NCIS
Watch NCIS Season 12 Episode 22
"Troll"
Original Air Date:

On NCIS Season 12 Episode 22, a murder of an ensign from the Office of Naval Intelligence has Special Agent Ned Dorneget from NCIS cyber operations joining the team.

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.

The Ex-Wives Club - NCIS
Watch NCIS Season 12 Episode 11
"Check"
Original Air Date:

On NCIS Season 12 Episode 11, the investigates what appears to be copy cat crimes while two of Gibbs' ex-wives show up to discuss something important.

Gibbs' Rules - NCIS
Watch NCIS Season 12 Episode 10
"House Rules"
Original Air Date:

On NCIS Season 12 Episode 10, McGee writes a heartfelt letter to his father reflecting on Gibbs' infamous rules while the team uses a group of cyber-terrorists as consultants.

Airport Analysis - NCIS
Watch NCIS Season 12 Episode 9
"Grounded"
Original Air Date:

On NCIS Season 12 Episode 9, when DiNozzo, Bishop and her husband Jake are all stuck at the airport due to weather, they work on a Thanksgiving holiday terrorist threat.

Michael Weatherly and Emily Wickersham - NCIS
Watch NCIS Season 12 Episode 8
"Semper Fortis"
Original Air Date:

On NCIS Season 12 Episode 8, a petty officer is killed via a hit-and-run accident. Also, Gibbs works to clear a Navy Hospital corpsman who has been accused of playing a role in the accident.

A Murdered Master Sergeant - NCIS
Watch NCIS Season 12 Episode 7
"The Searchers"
Original Air Date:

On NCIS Season 12 Episode 7, the murder of a retired Master Sergeant leads to team to uncover a fraudulent charity preying of people searching for missing military personnel.

NCIS Threesome
Watch NCIS Season 12 Episode 6
"Parental Guidance Suggested "
Original Air Date:

On NCIS Season 12 Episode 6, the team must decide whether the murder of a Navy commander's wife is linked to her occupation as a therapist... or to an act of terrorism.

A Dead Man Overboard - NCIS
Watch NCIS Season 12 Episode 5
"The San Dominick"
Original Air Date:

On NCIS Season 12 Episode 5, Gibbs and CGIS Agent Borin see a deceased man overboard during a joint Coast Guard and NCIS training exercise at sea.

Choke Hold Scene - NCIS
Watch NCIS Season 12 Episode 4
"Choke Hold"
Original Air Date:

On NCIS Season 12 Episode 4, the team is assigned to a joint terrorism task force by the Secretary of the Navy. Read on for a more detailed recap of event.

Off to London - NCIS
Watch NCIS Season 12 Episode 3
"So It Goes"
Original Air Date:

Bishop heads to London with Ducky when a murder case links back to his childhood friend on NCIS.

Was He a Target - NCIS
Watch NCIS Season 12 Episode 2
"Kill the Messenger"
Original Air Date:

When a Navy lieutenant is murdered on his way to a private meeting with the President the NCIS team must figure out if it was a random mugging or a targeted hit.

NCIS Season 12 Premiere Pic
Watch NCIS Season 12 Episode 1
"Twenty Clicks"
Original Air Date:

The NCIS Season 12 season begins with a bang, as Gibbs and McGee escort an NCIS system admin home from Russia via helecopter but get shot down.

NCIS Season 12 Quotes

McGee: All right. Well you should probably know that Abby and I used to date?
Bishop: Ew. Like, each other?
McGee: Yeah.
Bishop: Wait - isn't that a violation of rule 12, never date a....
McGee: It was a long time ago. After we'd broken up, one night I went to her lab. Found a scribbled piece paper; a list. Potential boyfriends had to fulfill certain conditions by a pre-arranged date or else, goodbye.
Bishop: Such as.
McGee: Things started off relatively normal: opening the door for her, flowers, putting the seat down. Then around number 8, it gets uh...
Bishop: What?
McGee: Does she know you have these?
Bishop: Does she know you have these?
McGee: Yeah she wasn't happy when she found out.
Bishop: These are all very specific.
McGee: Yeah.
Bishop: These ideas apply to you?
McGee: No those rules weren't in place when we were together. At least I don't think so.
Bishop: What's with the two month cutoff? Abby's sabotaging herself. I've seen stuff like this before. We have to talk to her.

McGee: Rule number 70 - keep digging till you hit bottom.
Abby: McGee! There is no rule 70.
McGee: Well, I--
Abby: You just made up a rule. This McGibbs thing has really gone to your head. I don't even recognize you right now.