The Cast of 'NCIS' Celebrates Their 200th Episode!
Description:The cast of NCIS was soaring high on Tuesday and with good reason -- the show has reached its 200th episode! ET was there as the stars popped champagne and spilled plot secrets. MORE: The NCIS Team Reveals Fun Set Secrets "I look at 200 episodes and it's certainly rare air," said Mark Harmon. "It's not a place that many get to be."(2:13)