1: NCIS milestone celebrated as Sean Murray reflects on 21 years

2: Sean Murray looks back on 1000 episodes of NCIS

3: NCIS star Sean Murray shares thoughts on reaching 21-year milestone

4: Celebrating 1000 episodes of NCIS with Sean Murray

5: 21 years of NCIS: Sean Murray's journey to 1000 episodes

6: Sean Murray reflects on his time with NCIS and reaching 1000 episodes

7: NCIS star Sean Murray discusses the show's longevity and milestone of 1000 episodes

8: Looking back at 21 years of NCIS with Sean Murray and the cast

9: Sean Murray on NCIS reaching 1000 episodes: a historic milestone