Sea Hunt (Season 1)

Sixty Feet Below (Episode 1)

Air date: 1958-01-04

Overview: Mike tries to free the pilot of a downed jet from his watertight cockpit before his air runs out, without causing the man's death from the water pressure.

Flooded Mine (Episode 2)

Writer: Gene Levitt

Air date: 1958-01-11

Overview: While investigating the cause of a mine flood that killed thirty men, Mike stumbles upon an air pocket with two survivors.

Rapture of the Deep (Episode 3)

Air date: 1958-01-25

Overview: A grudge between two divers whom Mike is testing for underwater mining skills becomes a secondary issue when one of them contracts nitrogen narcosis.

Mark of the Octopus (Episode 4)

Air date: 1958-02-01

Overview: 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.

The Sea Sled (Episode 5)

Air date: 1958-02-08

Overview: Mike helps the Immigration Department Border Patrol break up an underwater border-running operation.

Female of the Species (Episode 6)

Air date: 1958-02-15

Overview: A beautiful woman hires Mike to give her diving lessons for mysterious reasons.

Mr. Guinea Pig (Episode 7)

Air date: 1958-02-22

Overview: An attractive magazine photographer hires Mike to assist her in getting pictures of a sunken barge off the coast of Mexico.

Sonar Queen (Episode 8)

Air date: 1958-03-01

Overview: Hired to test a new electronic fish-finder, Mike encounters a village where every fish in the vicinity has disappeared.

Gold Below (Episode 9)

Writer: Gene Levitt

Air date: 1958-03-08

Overview: A pair of ruthless treasure hunters dupes a young skin diver into helping them loot a sunken ship.

Recovery (Episode 10)

Air date: 1958-03-15

Overview: Mike dives into the Caribbean to recover the lost nose cone from an ICBM rocket before enemy agents can get it.

Killer Whale (Episode 11)

Air date: 1958-03-22

Overview: A killer whale is capsizing boats and endangering scuba divers and swimmers along a stretch of coastline.

Midget Submarine (Episode 12)

Air date: 1958-03-29

Overview: Mike plays commando in rescuing a scientist who had defected from Soviet kidnappers who are returning him to Moscow aboard a Pacific liner.

The Shark Cage (Episode 13)

Air date: 1958-04-05

Overview: Mike and two cameramen are imperiled when an irrationally jealous man drops their camera cage into shark-infested waters.

Hardhat (Episode 14)

Air date: 1958-04-12

Overview: Mike competes with a pair of helmet divers to salvage a German submarine sunk off the coast of South America.

Continental Rift (Episode 15)

Writer: Lee Erwin

Air date: 1958-04-19

Overview: A man claims to have invented a machine that can locate ships carrying gold.

The Poacher (Episode 16)

Air date: 1958-04-26

Overview: Mike is nearly killed by a massive electrical jolt used by a poacher to kill fish in the Florida Everglades.

Girl in the Trunk (Episode 17)

Air date: 1958-05-03

Overview: Mike comes to the aid of a female escape artist when her underwater stunt goes awry.

The Sponge Divers (Episode 18)

Writer: Lee Erwin

Air date: 1958-05-10

Overview: Mike interrupts an underwater survey in the Gulf of Mexico in order to save a diver whose air line has become snarled.

Diamond River (Episode 19)

Air date: 1958-05-17

Overview: Mike supervises a diamond diving expedition in South America, but discovers that his employers are poaching on someone else's property.

Alligator Story (Episode 20)

Air date: 1958-05-24

Overview: A vicious alligator escapes from a wild animal show and takes refuge in the lake of a public park.

Magnetic Mine (Episode 21)

Air date: 1958-05-31

Overview: An entire Mexican town is menaced by the presence of a derelict floating mine in its harbor that could ignite fumes from the local nitrate factory if it is detonated.

Underwater Patrol (Episode 22)

Air date: 1958-06-07

Overview: The State of Florida hires Mike to organize and train an underwater police force to deal with a series of underwater crimes.

Legend of the Mermaid (Episode 23)

Writer: Lee Erwin

Air date: 1958-06-14

Overview: Mike investigates an underwater grotto said to feature a mermaid that lures men to their deaths.

Pressure Suit (Episode 24)

Air date: 1958-06-21

Overview: A professor and his daughter hire Mike to help them search for a rare underwater plant in Costa Rica.

The Prospectors (Episode 25)

Air date: 1958-06-28

Overview: A pair of prospectors hire Mike to trace the source of radioactive fish with a Geiger counter in hopes of finding a uranium deposit.

The Hero (Episode 26)

Air date: 1958-07-05

Overview: Mike is hired by a playboy sportsman to supervise their underwater shark ""safari"" in the waters off Peru.

Underwater Station (Episode 27)

Air date: 1958-07-12

Overview: Mike finds a famous rocket scientist being held in an underwater prison by enemy agents.

The Lost Ones (Episode 28)

Air date: 1958-07-19

Overview: A frustrated former athlete pushes his children to be Olympic swimmers, resulting in their becoming trapped in a cave by a rising tide.

Capture of the Santa Rosa (Episode 29)

Writer: Lee Erwin

Air date: 1958-07-26

Overview: Mike leads a diving team in rescuing a Latin American diplomat and his family from kidnappers.

The Shipwreck (Episode 30)

Air date: 1958-08-02

Overview: Mike and three other survivors share a life raft after a storm capsizes their boats.

The Big Dive (Episode 31)

Air date: 1958-08-09

Overview: Mike's work on a movie prompts a fellow stunt diver to attempt a dangerous record-setting dive.

The Birthday Present (Episode 32)

Air date: 1958-08-16

Overview: After locating a leak in a gas line and retrieving a young boy's sunken bicycle, Mike is beaten up and threatened by a gang of thugs.

Dead Man's Cove (Episode 33)

Air date: 1958-08-23

Overview: An underwater camera holds the key to determining whether a woman's drowning was accidental, as her husband claims, or not.

Explosion (Episode 34)

Air date: 1958-08-30

Overview: Mike is hired to destroy an underwater offshore peak that is notorious for ripping the hulls out of passing ships.

The Amphibian (Episode 35)

Air date: 1958-09-06

Overview: A group of sportsmen hire Mike to supervise their skin-diving outing, whereupon one of them sneaks off and begins photographing secret Navy facilities.

Lord Christobal (Episode 36)

Air date: 1958-09-13

Overview: Mike is hired by an insurance company to investigate the sinking of a freighter, but a murder indicates that someone doesn't want him to complete his task.

Decoy (Episode 37)

Air date: 1958-09-20

Overview: Mike investigates reports of a sea monster off the coast of Mexico.

The Sea Has Ears (Episode 38)

Air date: 1958-09-27

Overview: The murder of a telephone company employee leads Mike to an underwater cable that is being tapped to access top-secret research Conferences.

The Manganese Story (Episode 39)

Writer: Lee Erwin

Air date: 1958-10-04

Overview: Mike discovers an important manganese deposit, but an ambitious young geologist, sharks, and an approaching hurricane threaten to silence him before he can inform the government.