Watch the official “Grandkids On-Demand” clip from the CBS cop drama series NCIS Season 20 Episode 15, created by Donald Bellisario and Don McGill.<br /><br />NCIS Cast:<br /><br />Gary Cole, Sean Murray, Brian Dietzen, Rocky Carroll, Wilmer Valderrama, Katrina Law, Diona Reasonover and David McCallum<br /><br />Stream NCIS Season 20 now on Paramount+!
