NCIS backdrop
NCIS S12E12 — The Enemy Within
7.8
NCIS•Season 12•Episode 12

The Enemy Within

7.8/10 · 733 votesJan 13, 201544 min

Ranked #18 of 24 in Season 12•−0.3 vs season avg

Discussion

The NCIS team searches for a home-grown terrorist after a rescue mission in Syria reveals an American was involved in the capture of a social worker.

Directed byJames Whitmore Jr.
Written byFrank Cardea, George Schenck
Previous episodeE11 · CheckNext episodeE13 · We Build, We Fight
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons24

All123456789101112131415161718192021222324

Season 12 Episodes24

Twenty Klicks stillE1 8.2

Twenty Klicks

Kill the Messenger stillE2 7.7

Kill the Messenger

So It Goes stillE3 8.5

So It Goes

Choke Hold stillE4 8.1

Choke Hold

The San Dominick stillE5 8.1

The San Dominick

Parental Guidance Suggested stillE6 8.3

Parental Guidance Suggested

The Searchers stillE7 8.1

The Searchers

Semper Fortis stillE8 8.1

Semper Fortis

Grounded stillE9 8.5

Grounded

House Rules stillE10 8.1

House Rules

Check stillE11 8.8

Check

The Enemy Within stillE12 7.8Now viewing

The Enemy Within

We Build, We Fight stillE13 7.7

We Build, We Fight

Cadence stillE14 8.0

Cadence

Cabin Fever stillE15 8.2

Cabin Fever

Blast from the Past stillE16 7.8

Blast from the Past

The Artful Dodger stillE17 7.8

The Artful Dodger

Status Update stillE18 8.0

Status Update

Patience stillE19 7.8

Patience

No Good Deed stillE20 7.4

No Good Deed

Lost in Translation stillE21 7.9

Lost in Translation

Troll stillE22 8.1

Troll

The Lost Boys stillE23 8.6

The Lost Boys

Neverland stillE24 8.4

Neverland

Cast8

Mark Harmon

Mark Harmon

Leroy Jethro Gibbs

Sean Murray

Sean Murray

Timothy McGee

Michael Weatherly

Michael Weatherly

Tony DiNozzo

Brian Dietzen

Brian Dietzen

Jimmy Palmer

David McCallum

David McCallum

Dr. Donald 'Ducky' Mallard

Pauley Perrette

Pauley Perrette

Abby Sciuto

Emily Wickersham

Emily Wickersham

Ellie Bishop

Rocky Carroll

Rocky Carroll

Leon Vance

Crew3

James Whitmore Jr.

James Whitmore Jr.

Director

Frank Cardea

Frank Cardea

Writer

G

George Schenck

Writer

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"The Enemy Within" is episode 12 of NCIS season 12. It scored 7.8/10 from 733 votes, ranking #18 of 24 episodes this season (season average 8.1). Directed by James Whitmore Jr. and written by Frank Cardea, George Schenck, it aired on January 13, 2015.

Next: E13 · We Build, We FightBest of Season 12