CBS has announced a three-hour crossover event featuring NCIS, NCIS: Hawai'i, and NCIS: Los Angeles. The event will have an episode specific to each franchise branch, with the plot bringing together characters from all three shows. This marks the first time NCIS has premiered a crossover event on such a large scale. The event will air on Monday, Jan. 2, beginning with NCIS at 8 p.m. ET and ending with NCIS: Los Angeles. Fans can expect to see their favorite stars, including Gary Cole, Wilmer Valderrama, Chris O'Donnell, Vanessa Lachey, and Yasmine Al-Bustami.