Showrunner on 23 Seasons, Surviving Cast Turnover
There’s the Indy 500, after which there’s the NC-500. “NCIS” will air its five hundredth episode Tuesday evening — a rarefied air shared in scripted prime-time tv solely by “Gunsmoke,” “Lassie,” a few “Law and Order” sequence and a few animated exhibits, not all of which had been truly on the air for as many…