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Sealab 2020

1972 ★ 7.3 1 season 13 eps TV-MA

Sci-Fi & Fantasy

Animation

Family

Kids

Commanded by Captain Michael Murphy, Sealab is dedicated to the exploration of the seas and the protection of marine life. Among other things, the crew of Sealab faced such challenges as attacks from sharks and giant squids, potential environmental disasters, and threats to Sealab and marine life from shipping.

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Where to watch Sealab 2020

Sealab 2020 is available to stream on Nabby via 6 verified sources, aggregated from publicly available embed providers. The sci-fi & fantasy from Joseph Barbera, William Hanna has 1 season and 13 total episodes, rated 7.3/10 by 9 viewers.

Last verified: October 13, 2026 · Source: TMDB

Episodes 13 total across 1 season

13 episodes19723 watched

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

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.

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.

The Singing Whale✓

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.

The Shark Lover✓

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

The Basking Shark✓

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.

Where Dangers Are Many✓

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

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.

The Deepest Dive✓

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.

The Challenge✓

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.

Collision of the Aquarius✓

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

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.

The Arctic Story✓

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.

Frequently asked

How many seasons does Sealab 2020 have?

Sealab 2020 has 1 season with 13 episodes in total.

Is Sealab 2020 still on the air?

Sealab 2020 has ended and is no longer in production.

What network airs Sealab 2020?

Sealab 2020 airs on NBC.

When did Sealab 2020 first air?

Sealab 2020 first aired on September 9, 1972.

Cast

Pamelyn Ferdin

Pamelyn Ferdin

John Stephenson

John Stephenson

Jerry Dexter

Ann Jillian

Ann Jillian

Ross Martin

Ross Martin

Josh Albee

Josh Albee

William Callaway

William Callaway

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