Episode Rankings

1. #1 Fan Favorite
   

   5.9/10(26 votes)

   #1 - Deep Threat

   S1:E19/9/1972

   An earthquake spells danger for Sealab when the recurring mass of shock waves ruptures exposed canisters of radioactive waste.

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2. 

   5.7/10(18 votes)

   #2 - Lost

   S1:E29/16/1972

   An approaching red tide has more than the fish in a panic - the murky oceanic flux, which initiates a process of oxygen depleting, could cut off the life support system of Sealab.

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3. 

   7.2/10(20 votes)

   #3 - Green Fever

   S1:E39/23/1972

   A red alert is signaled after a supply ship's concrete mooring, cast off during a hurricane, unwittingly strikes Sealab's control dome and splits a major section of the shell.

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4. 

   6.2/10(16 votes)

   #4 - The Singing Whale

   S1:E49/30/1972

   A new world opens up for Roger Cummings, a disabled boy whose father is doing research at Sealab, when Bobby befriends him and teaches him how to dive.

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5. 

   6.4/10(17 votes)

   #5 - The Shark Lover

   S1:E510/7/1972

   The entire Sealab complex is threatened by an increasing buildup of aggressive sharks in the area.

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6. 

   6.0/10(16 votes)

   #6 - The Basking Shark

   S1:E610/14/1972

   When a space probe loses its parachute during reentry and plummets out of sight into the ocean's depths, the staff of Sealab is called on to locate it.

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7. 

   5.9/10(15 votes)

   #7 - Where Dangers Are Many

   S1:E710/21/1972

   Ed, Gail, and Hal become "muckrakers" when ocean waters around Sealab become blanketed with layers of loosened silt

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8. 

   5.6/10(15 votes)

   #8 - Backfire

   S1:E810/28/1972

   Ed considers resigning from Sealab after Dr. Williams grants permission to a submarine geologist to use explosives on Seamount for the purpose of oil exploration.

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9. 

   6.1/10(14 votes)

   #9 - The Deepest Dive

   S1:E911/4/1972

   Hal, Ed, and Gail plunge to the lowest depths of the ocean in a special crystal bell to plant a second seismographic signaling device after the first one mysteriously disappears.

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10. 

    6.2/10(14 votes)

    #10 - The Challenge

    S1:E1011/11/1972

    An archaeologist enlists the aid of Hal, Ed, and Gail in removing ancient Mayan gold artifacts buried in the hold of a vessel sunk during WWI.

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11. 

    6.1/10(13 votes)

    #11 - Collision of the Aquarius

    S1:E1111/18/1972

    Human complications make dealing with the mechanical ones more difficult when cargo sub "Aquarius" crashes into Seamount and endangers the Sealab complex.

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12. 

    5.1/10(12 votes)

    #12 - The Capture

    S1:E1211/25/1972

    Although the Sealab crew doesn't like helping Mr. Harlan trap two animals from every species on the Seamount for a new aquarium, they carry out the task because of orders.

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13. 

    6.8/10(14 votes)

    #13 - The Artic Story

    S1:E1312/2/1972

    The crew of Sealab ventures into the frozen Arctic to rescue two scientists who have been trapped by a blizzard while on a scientific expedition.

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