JD deals with heartbreak as the rest of the team takes on a diamond case on NCIS: Sydney Season 3 Episode 16. But The ...

The death of a wanted marine officer leads the team to a sinister plot involving fake diamonds and a journalist.

NCIS: Sydney season 3 episode 18 followed Brad Slater and Murray Holt’s connection to Aussie Bob, fake diamonds, and a growing murder investigation.

According to CBS, they are officially set to air the next, new episode 18 of NCIS; Sydney tonight, May 5, 2026, and it will feature a sinister plot that involves diamonds and more.

Fewer episodes mean longer hiatuses and extended breaks, and we know the longer there is time between new episodes and ...