The NCIS family just keeps growing — with eight existing or former shows as of 2025.
While many fans might think the naval intelligence-based franchise began with NCIS, that’s not the case. The flagship NCIS show was actually JAG, which debuted on NBC in 1995.
The series followed military lawyers in the Department of the Navy’s Office of the Judge Advocate General who could prosecute and defend criminal cases under the code of military justice. NBC canceled the show after one season, but CBS picked it up.
The original drama, which starred David James Elliott and Catherine Bell, introduced Jeth...
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