NCIS: Sydney Season 4 is expected back in January 2027, with multiple reports saying it will return in the 2026–2027 TV season’s midseason slot.

What’s known

  • CBS has already renewed NCIS: Sydney for Season 4.
  • Coverage in May and June 2026 says filming has started, but the premiere date has not been officially announced yet.
  • The strongest current estimate is January 2027.

Why the wait

  • Reports say the show is being held for midseason , rather than a fall launch.
  • That usually means CBS is spacing out its schedule, so the exact return date may come later.

In short

  • Best current answer: January 2027.
  • Official date: not announced yet.

Would you like a quick rundown of where to watch Season 3 while you wait?