Season 1 Episodes39
Cast1

Lloyd Bridges
Mike Nelson
Crew1

Andrew Marton
Director
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Ranked #28 of 39 in Season 1•−0.1 vs season avg
Before Mike can investigate the disappearance of a pair of skin-diving geologists, one turns up dead on the beach bearing marks resembling the suction valves of a giant octopus.

Lloyd Bridges
Mike Nelson

Andrew Marton
Director
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"Mark of the Octopus" is episode 4 of Sea Hunt season 1. It scored 7.6/10 from 48 votes, ranking #28 of 39 episodes this season (season average 7.7). Directed by Andrew Marton, it aired on February 1, 1958.