"NCIS: Sydney" is confirmed as the fourth spin-off series in the NCIS franchise and the first international series. It will follow both US NCIS agents and Australian law enforcement officers in a crime procedural format. Despite most scripted shows being delayed until 2024, "NCIS: Sydney" will premiere in 2023. The series will investigate crimes in the Sydney harbor, which is a departure from previous NCIS shows set in the US. The show will be available to watch on CBS and Paramount+, and the cast includes both Australian and US actors.