Where to watch NCIS Season 21 in Australia
NCIS season 21 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 $19.99.
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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 $19.99 a season
Availability checked 16 November 2026.
What happens in “Reef Madness”
Parker and Knight discover three bodies on an old Navy ship that's about to be sunk and turned into an artificial reef, when they're suddenly locked inside by a mysterious figure.
Episode summary: TMDB.
Before you watch
- It is the season finale of season 21, so watch episodes 1 to 9 first.
- It runs about 44 minutes.
- Directed by José Clemente Hernandez, written by Scott Williams.
Cast and crew of this episode
- Director
- José Clemente Hernandez
- Writer
- Scott Williams
- Guest stars
- Adam Ferrara as Sammy CraigKent Shocknek as Guy RossMatthew Yang King as Michael ChangGabriella Piazza as Molly MackinBruce Nozick as LacyMichael Monks as EdgarTammi Mac as JaniceMackenzie Firgens as Mother
Credits: TMDB.
More from NCIS Season 21
Every episode of Season 21NCIS 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.