Sea Hunt
Season 1, Episode 4: Mark of the Octopus
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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.
All Episodes - Season 1
Episode 1
Sixty Feet Below
Episode 2
Flooded Mine
Episode 3
Rapture of the Deep
Episode 4
Mark of the Octopus
Episode 5
The Sea Sled
Episode 6
Female of the Species
Episode 7
Mr. Guinea Pig
Episode 8
Sonar Queen
Episode 9
Gold Below
Episode 10
Recovery
Episode 11
Killer Whale
Episode 12
Midget Submarine
Episode 13
The Shark Cage
Episode 14
Hardhat
Episode 15
Continental Rift
Episode 16
The Poacher
Episode 17
Girl in the Trunk
Episode 18
The Sponge Divers
Episode 19
Diamond River
Episode 20
Alligator Story
Episode 21
Magnetic Mine
Episode 22
Underwater Patrol
Episode 23
Legend of the Mermaid
Episode 24
Pressure Suit
Episode 25
The Prospectors
Episode 26
The Hero
Episode 27
Underwater Station
Episode 28
The Lost Ones
Episode 29
Capture of the Santa Rosa
Episode 30
The Shipwreck
Episode 31
The Big Dive
Episode 32
The Birthday Present
Episode 33
Dead Man's Cove
Episode 34
Explosion
Episode 35
The Amphibian
Episode 36
Lord Christobal
Episode 37
Decoy
Episode 38
The Sea Has Ears
Episode 39
The Manganese Story