SECRETS OF THE 400TH EPISODE
Oct 22, 2020
3 minutes
BY KATE HAHN
NCIS Tuesday, Nov. 24, 8/7c, CBS
One is a former Marine from small-town Pennsylvania, a man of few words and many rules. The other is a charming, loquacious Brit, intuitive about what people need to hear overgenerous with information they don’t (like how Zulus ward off evil and what makes barbershop music unique). So how on earth did NCIS boss Leroy Jethro Gibbs (Mark Harmon) and medical examiner turned historian Donald “Ducky” Mallard (David McCallum) end up friends? ’s landmark 400th episode—airing November 24, a week after the Season 18 premiere—takes us back.
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