Ranked #13 of 38 in Season 4•+0.1 vs season avg
While helping his former history professor search for pirate treasure off the North Carolina coast, Mike finds evidence that the underwater cave said to house the treasure has been tampered with.
Lloyd Bridges
Mike Nelson
Leon Benson
Director
Mary C. McCall, Jr.
Writer
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"Expedition" is episode 14 of Sea Hunt season 4. It scored 7.9/10 from 22 votes, ranking #13 of 38 episodes this season (season average 7.8). Directed by Leon Benson and written by Mary C. McCall, Jr., it aired on April 8, 1961.