The franchise will cross the 1,000-episode threshold on April 15 and EW has the exclusive preview.
(And, of course,Sesame Street.)
Especially in recent years, the list doesn’t include many shows likeNCIS.

Michael Weatherly and Cote de Pablo on ‘NCIS’ 1,000th episode.NCIS/YouTube
The threshold will be crossed with the 464th episode ofNCIS, the franchise’s flagship show.
The show will also drop celebratory Easter eggs on social media throughout the day.
The celebration goes beyond the April 15 broadcasts.

The ‘NCIS’ cast celebrates 1,000 episodes.CBS Entertainment
CBS Entertainment
Franchise stars will also pop up on other shows throughout the week.
NCISmay seem inescapable on CBS for the next two weeks as its stars pop up all over the channel.
Still, this isn’t likely to be the last milestone for the sprawling franchise.
NCISairs Mondays at 9 p.m. Watch the exclusive preview of the 1,000th episode above.