8 Best ‘NCIS’ Undercover Episodes (PHOTOS)

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NCIS undercover episodes
CBS (2); Monty Brinton/CBS
NCIS 210 Tony undercover
CBS

“Chained” (Season 2, Episode 10)

Tony (Michael Weatherly) went undercover as a prisoner, with Gibbs and Kate (Sasha Alexander) as his backup. But it wasn’t always clear who the most dangerous person was.

NCIS 308 Ziva Tony undercover
CBS

“Under Covers” (Season 3, Episode 8)

Tony and Ziva’s (Cote de Pablo) undercover stint as a married couple came early on, and the FBI agents who’d been watching the “assassins” didn’t quite buy they were faking it.

NCIS 424 Tony undercover
CBS

“Angel of Death” (Season 4, Episode 24)

Tony’s time undercover as Tony DiNardo to get close to Jeanne Benoit (Scottie Thompson) led to this episode’s final moments: an introduction to her father, an international arms dealer.

NCIS - Mark Harmon and Cote de Pablo
Eric McCandless/CBS

“Recoil” (Season 5, Episode 16)

Ziva went undercover to catch a suspected serial killer and ended up in danger herself.

The Admiral's Daughter
Sonja Flemming/CBS

“The Admiral’s Daughter” (Season 11, Episode 23)

No one from the team was undercover in this one, but Tony learned that the admiral’s daughter he was assigned to escort back to D.C. was.

Boise Holmes and Mark Harmon in NCIS - 'Blast From The Past'
Monty Brinton/CBS

“Blast from the Past” (Season 12, Episode 16)

Gibbs went undercover as an IT technician. Enough said.

Tobias Jelinek, Mark Harmon in NCIS - 'Off the Grid'
Cliff Lipson/CBS

“Off the Grid” (Season 14, Episode 12)

Gibbs resumed an old alias without informing the team after he spotted someone from a former assignment.

Wilmer Valderrama, Emily Wickersham in NCIS - 'High Tide'
Cliff Lipson/CBS

“High Tide” (Season 15, Episode 11)

Bishop (Emily Wickersham) and Torres (Wilmer Valderrama) went undercover as a criminal couple to shut down a drug ring.

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The NCIS team may not do it as often as their West Coast counterparts, but over the years, Gibbs (Mark Harmon) and his agents have gone undercover for assignments.

Some were more memorable — and lasted longer (Jeanne Benoit) — than others. A few put them in dangerous situations or in unfamiliar roles (like as a couple or doing a job they’re not equipped for). Some didn’t last too long, but they did leave quite the impression.

Click through the gallery above to relive some of the best undercover episodes of the CBS procedural drama so far.

NCIS, Season 17 Premiere, Tuesday, September 24, 8/7c, CBS