Season 6, Episode 18 Secret Witness

First Aired: January 15, 1974

A contract killer races Five-O to find a witness to his hit. Reynolds: Mark Jenkins. McGarrett: Jack Lord. Danny: James MacArthur. Bok: Mark Lenard. Sue Reynolds: Cindy Williams.

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  • Rating: TV-PG
  • User Rating:3.9 out of 5 (61 ratings)
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  • Premise: Book 'em, Danno. This is one of the longest-running crime dramas in TV history, memorable for its great scenery, sun-burst theme by the Ventures, and Jack Lord's iconic, no-nonsense McGarrett, with his stiff, macho haircut. The series chronicles an elite f… (more)

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