Skip to content
Streambay
Sealab 2020 Season 1 poster
Complete Sealab 2020

Sealab 2020 Season 1 Episode release dates & where to watch

Premiered

Saturday, September 9, 1972

Ended: Saturday, December 2, 1972

When does Sealab 2020 Season 1 come out?

Sealab 2020 Season 1 premiered Saturday, September 9, 1972 on NBC and ended Saturday, December 2, 1972. The season has 13 episodes.

Last updated

Sealab 2020 Season 1 release schedule

Sealab 2020 Season 1 episode release dates
Episode Release date

1. Deep Threat

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

Saturday · 54 years ago

2. Lost

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.

Saturday · 54 years ago

3. Green Fever

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.

Saturday · 54 years ago

4. 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.

Saturday · 54 years ago

5. The Shark Lover

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

Saturday · 54 years ago

6. 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.

Saturday · 54 years ago

7. Where Dangers Are Many

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

Saturday · 54 years ago

8. Backfire

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.

Saturday · 54 years ago

9. 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.

Saturday · 54 years ago

10. 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.

Saturday · 54 years ago

11. 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.

Saturday · 54 years ago

12. The Capture

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.

Saturday · 53 years ago

13. The Arctic Story Finale

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.

Saturday · 53 years ago

Sealab 2020 Season 1 guest stars

  • Olga James

    Olga James

    Mrs. Thomas (voice)

Sealab 2020 Season 1 FAQ

When does Sealab 2020 Season 1 come out?

Sealab 2020 Season 1 premiered Saturday, September 9, 1972 on NBC.

How many episodes are in Sealab 2020 Season 1?

Sealab 2020 Season 1 has 13 episodes.

Are new episodes of Sealab 2020 Season 1 released weekly?

New episodes are released weekly.

When is the Sealab 2020 Season 1 finale?

The Sealab 2020 Season 1 finale (Episode 13) aired Saturday, December 2, 1972.

How do I get notified when new Sealab 2020 Season 1 episodes are released?

Download the Streambay app and follow Sealab 2020. You'll get a push notification the moment each new episode is out.

Never miss Sealab 2020 Season 1.

Download Streambay and follow Sealab 2020. We’ll notify you the moment Season 1 is released, and as each new episode comes out. It’s free, with no sign-up and no personal information required.

Coming soon to App Store Get it on Google Play