Rule 91

NCIS · Season 18 · Episode 16

While pursuing a dangerous arms dealer, the team is shocked when Bishop is implicated in an old NSA leak while Gibbs and Marcie realize the killer they've been tracking may be onto them.

Season 18

• Episode 1 · Sturgeon Season
• Episode 2 · Everything Starts Somewhere
• Episode 3 · Blood And Treasure
• Episode 4 · Sunburn
• Episode 5 · Head of the Snake
• Episode 6 · 1mm
• Episode 7 · The First Day
• Episode 8 · True Believer
• Episode 9 · Winter Chill
• Episode 10 · Watchdog
• Episode 11 · Gut Punch
• Episode 12 · Sangre
• Episode 13 · Misconduct
• Episode 14 · Unseen Improvements
• Episode 15 · Blown Away
• Episode 16 · Rule 91