Season 1

• 

  6.0/1026 votes

  Deep Threat

  Season 1 Episode 1 - Aired 9/9/1972

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

  Director: Unknown

  Writer: Unknown

• 

  5.7/1018 votes

  Lost

  Season 1 Episode 2 - Aired 9/16/1972

  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.

  Director: Unknown

  Writer: Unknown

• 

  7.1/1020 votes

  Green Fever

  Season 1 Episode 3 - Aired 9/23/1972

  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.

  Director: Unknown

  Writer: Unknown

• 

  6.2/1016 votes

  The Singing Whale

  Season 1 Episode 4 - Aired 9/30/1972

  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.

  Director: Unknown

  Writer: Unknown

• 

  6.4/1017 votes

  The Shark Lover

  Season 1 Episode 5 - Aired 10/7/1972

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

  Director: Unknown

  Writer: Unknown

• 

  6.1/1016 votes

  The Basking Shark

  Season 1 Episode 6 - Aired 10/14/1972

  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.

  Director: Unknown

  Writer: Unknown

• 

  6.0/1015 votes

  Where Dangers Are Many

  Season 1 Episode 7 - Aired 10/21/1972

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

  Director: Unknown

  Writer: Unknown

• 

  5.6/1015 votes

  Backfire

  Season 1 Episode 8 - Aired 10/28/1972

  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.

  Director: Unknown

  Writer: Unknown

• 

  6.2/1014 votes

  The Deepest Dive

  Season 1 Episode 9 - Aired 11/4/1972

  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.

  Director: Unknown

  Writer: Unknown

• 

  6.3/1014 votes

  The Challenge

  Season 1 Episode 10 - Aired 11/11/1972

  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.

  Director: Unknown

  Writer: Unknown

• 

  6.2/1013 votes

  Collision of the Aquarius

  Season 1 Episode 11 - Aired 11/18/1972

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

  Director: Unknown

  Writer: Unknown

• 

  5.4/1012 votes

  The Capture

  Season 1 Episode 12 - Aired 11/25/1972

  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.

  Director: Unknown

  Writer: Unknown

• 

  6.7/1014 votes

  The Artic Story

  Season 1 Episode 13 - Aired 12/2/1972

  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.

  Director: Unknown

  Writer: Unknown