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NCIS: Sydney Promises Thrilling Season 3 with Treasure Hunts, Alien Abductions, and More
9 Oct
Summary
- NCIS: Sydney to feature a treasure hunt, alien abduction, podcast cold case, and nanotech assassin in season 3
- Olivia Swann's character, Agent Michelle Mackey, will face the consequences of her past decisions
- Season 3 to have "more action, more drama, more fun" with high-stakes cases and a looming conspiracy

As of October 9th, 2025, the hit CBS series NCIS: Sydney is preparing to deliver an explosive and captivating third season. According to lead actress Olivia Swann, the upcoming episodes will feature a treasure hunt, an alien abduction in the Australian outback, and a podcast cold case from years ago, among other thrilling plot lines.
Swann, who plays NCIS Agent Michelle Mackey, has promised "more action, more drama, more fun" when the series returns on October 14th. The main focus of season 3 will be the past coming back to haunt the characters, particularly Mackey, who is struggling to trust her instincts after a past mistake. The team will also be investigating a sinister terrorist plot that somehow links to Mackey, leading to a high-stakes, time-sensitive case.
Describing each episode as a "mini movie," Swann has teased that the season will be a "fun, wild ride" as the NCIS team, a found family of misfits, work to keep people safe. Viewers can expect to see Mackey tested in new ways, with the cracks in her armor and her underlying vulnerability being exposed as she deals with the repercussions of her past choices.