Watch NCIS: Sydney Season 3 Episode 20 Online
“Killer” — Watch "NCIS: Sydney" Season 3 Episode 20 online in HD for free. Check streaming providers, cast, and episode details.
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Season 3 Episode 20 — Aired on May 12, 2026.
Notable cast/guest names in this episode include Olivia Swann, Todd Lasance, Sean Sagar, Tuuli Narkle.
This page includes 1 official still(s) (when available) plus legal availability links.
Looking for “watch NCIS: Sydney Season 3 Episode 20 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.
Synopsis
The team faces the battle of their lives to stop The Collective and save those they hold dear.
Stills
Cast
as Michelle Mackey
as Jim 'JD' Dempsey
as DeShawn Jackson
as Evie Cooper
as Bluebird 'Blue' Gleeson
as Dr. Roy Penrose
Episodes – Season 3
Trailer / clip
There�s no trailer available for this series right now.
