The network revealed in a press release on Wednesday that the show will return for its ninth season in the fall.
CBS entertainment president Nina Tassler said: "It's simply amazing that a show in its eighth season continues to perform at such an elite level. This is a tribute to the hard work of its talented writers, producers and cast for bringing to life such compelling stories and characters with intrigue and humour.
"The quality of the storytelling is also evident by the series' incredibly devoted fanbase who we thank for their passion and commitment to NCIS on CBS, in online communities and around the world."
CBS Television Studios president David Stapf added: "NCIS has become a network phenomenon and a global sensation. The show continues to hit audience peaks on CBS and is a top performer in territories around the world.
"We thank an amazing cast, led by Mark Harmon, which has undeniable chemistry, for bringing to life characters with such amazing universal appeal. And, we credit Shane [Brennan] and Gary [Glasberg] for the storytelling and production vision that delivers compelling episodes every week and a fresh creative vision every year."
NCIS airs Tuesdays at 8/7c.