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NCIS S10E09, Devil's TrifectaS10E09

NCIS · Season 10

NCIS season 10 episode 9: Devil's Trifecta

Aired 11 December 201243 minRated TV-14

7.1TMDB · 9 votesMark watched

Where to watch NCIS Season 10 in Australia

NCIS season 10 is streaming in Australia on Foxtel Now (subscription), Binge (subscription), Paramount Plus (subscription) and Disney+ (subscription, listed for the whole show), and free on 10 Play. You can also buy it on Apple TV from $27.99.

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Availability checked 16 November 2026.

What happens in “Devil's Trifecta”

Gibbs teams up with FBI Agent Fornell on a joint NCIS/FBI investigation after Fornell becomes the target of a shooting, but they face an unexpected twist in the case when their mutual ex-wife, Diane Sterling, gets involved.

Episode summary: TMDB.

Before you watch

  • It is episode 9 of 24 of season 10, so watch episodes 1 to 8 first.
  • It runs about 43 minutes.
  • Directed by Arvin Brown, written by Steven D. Binder.
  • TMDB users rate it 7.1 out of 10 (9 votes).

Cast and crew of this episode

Director
Arvin Brown
Writer
Steven D. Binder
Guest stars
Melinda McGraw as Diane SterlingJoe Spano as T.C. FornellDanny Nucci as Gordon FremontColby French as Viggo KilnWill Beinbrink as Oliver LambertJ. Downing as Avis BoyleTrevor Torseth as Al ParkerBrendan Bradley as Male Guest

Credits: TMDB.

More from NCIS Season 10

  1. E01
  2. E02
  3. E03
  4. E04
  5. E05
  6. E06
  7. E07
  8. E08
  9. E09
  10. E10
  11. E11
  12. E12
  13. E13
  14. E14
  15. E15
  16. E16
  17. E17
  18. E18
  19. E19
  20. E20
  21. E21
  22. E22
  23. E23
  24. E24

Every episode of Season 10NCIS episode guide

Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.