NCISverse: The First 1,000

Kevin Frazier hosts a celebration of the "NCIS" franchise, including exclusive interviews with cast members and guest stars; new details about the origins of "NCIS"; a behind-the-scenes look at the making of the franchise's 1,000th episode.

• Cast: Kevin Frazier, Mark Harmon, Sean Murray, Michael Weatherly, Pauley Perrette, Gary Cole, David McCallum, LL Cool J