Where to watch NCIS Season 20 in Australia
NCIS season 20 is streaming in Australia on Foxtel Now (subscription), Binge (subscription), Paramount Plus (subscription) and Disney+ (subscription, listed for the whole show). You can also buy it on Apple TV from $29.99.
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Stream (subscription)
Stream now on Foxtel NowFoxtel Now
Subscription
From $35/mth
Stream now on BingeBinge
Subscription
From $10/mth
Watch Now on Paramount PlusParamount Plus
Subscription
From $7.99/mth
Stream Now on Disney+Disney+
Subscription · Listed for the whole show
From $9.99/mth · Added 1 October 2026
Buy or rent
Stream now on Apple TVApple TV
Buy
Buy from $29.99 a season
Availability checked 16 November 2026.
What happens in “Butterfly Effect”
The NCIS team jumps into motion to investigate who is responsible for a potential bioterror attack at a strip mall parking garage.
Episode summary: TMDB.
Before you watch
- It is episode 16 of 22 of season 20, so watch episodes 1 to 15 first.
- It runs about 45 minutes.
- Directed by Tawnia McKiernan, written by Christopher J. Waild.
- TMDB users rate it 8.1 out of 10 (7 votes).
Cast and crew of this episode
- Director
- Tawnia McKiernan
- Writer
- Christopher J. Waild
- Guest stars
- Julianne Collins as Dorothy QuinlanBrigid Brannagh as Constance MillerSonny Valicenti as Nate BillingsTina Huang as Captain BoggsAl Rodrigo as Police Captain MartinezJonathan Charles as Petty Officer SheehanDominic Pace as George BarlowJimmy Walker Jr. as William Jolson
Credits: TMDB.
More from NCIS Season 20
Every episode of Season 20NCIS 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.