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The Best Episodes of Sealab 2021 Season 4

Every episode of Sealab 2021 Season 4 ranked from best to worst. Discover the Best Episodes of Sealab 2021 Season 4!

Binge this in 2h 4m•Peaking at 6.8/10

The year is 2021. Deep below the ocean's surface, looms a vast, magnificently high-tech compound: Sealab. A multi-national scientific station with an annual budget in the trillions, manned by a motley collection of malcontents and

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  1. #1 Fan Favorite
    Sealab 2021 Season 4 Episode 6 - Neptunati
    6.8/10(61 votes)

    S4:E6

    Stormy's meddlesome inquisitiveness uncovers Shanks' membership in a world-controlling society.

    Director:Unknown
    Writer:Unknown

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  2. Sealab 2021 Season 4 Episode 7 - Isla de las Chupacabras
    6.8/10(62 votes)

    S4:E7

    A team-building exercise goes horribly wrong when the Sealab crew are attacked by Chupacabras.

    Director:Unknown
    Writer:Unknown

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  3. Sealab 2021 Season 4 Episode 8 - Joy of Grief
    6.7/10(66 votes)

    S4:E8

    A grief counselor tries to help the Sealab crew through a hard time.

    Director:Unknown
    Writer:Unknown

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  4. Sealab 2021 Season 4 Episode 11 - Return of Marco
    6.7/10(63 votes)

    S4:E11

    Marco died three episodes ago. What's he doing back? Later, Marco and Debbie sing Antônio Carlos Jobim's "Waters of March" in Portuguese.

    Director:Unknown
    Writer:Unknown

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  5. Sealab 2021 Season 4 Episode 1 - ASHDTV
    6.6/10(71 votes)

    S4:E1

    A delivering mishap and some dishonesty on Sparks' part pockets Sealab a brand new Asteroid Smasher/High-definition Television. Unfortunately, the ASHDTV was supposed to go to Spacelab so they could destroy an asteroid hurtling towards the earth.

    Director:Unknown
    Writers:Adam Reed, Matt Thompson, Patrick Piper

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  6. Sealab 2021 Season 4 Episode 4 - Craptastic Voyage
    6.6/10(68 votes)

    S4:E4

    Quinn, White Debbie, and "He Who Smokes Bitches" Stormy Waters venture deep into Tornado Shanks to destroy a malignant tumor in Captain Shanks' head.

    Director:Unknown
    Writer:Unknown

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    The 20 BEST Episodes of Sealab 2021

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  7. Sealab 2021 Season 4 Episode 5 - Let 'Em Eat Corn
    6.6/10(63 votes)

    S4:E5

    Tornado Shanks declares Sealab a sovereign nation in order to be his own tax haven. A wave of secession fever sweeps through the entire crew, with a half-dozen nations declaring themselves independent in a few minutes; with the help of two British businessmen, they are all soon armed with missiles allegedly loaded with nuclear warheads. When push comes to shove and every Sealab nation declares war on every other one, however, the nukes all turn out to be duds.

    Director:Unknown
    Writer:Unknown

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  8. Sealab 2021 Season 4 Episode 9 - Green Fever
    6.6/10(65 votes)

    S4:E9

    Zombies ravage Sealab as Debbie plans her (fifth) 30th birthday party.

    Director:Unknown
    Writer:Unknown

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  9. Sealab 2021 Season 4 Episode 10 - Sharko's Machine
    6.4/10(64 votes)

    S4:E10

    Marco's illegitimate son applies for a job on Sealab. Can he pass the civil service exam with Debbie and Quinn helping?

    Director:Unknown
    Writer:Unknown

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  10. Sealab 2021 Season 4 Episode 2 - Chalkboard Jungle
    6.1/10(66 votes)

    S4:E2

    Dr. Quinn teaches Debbie Love's class of 4th-graders including Fatass McBlobbicus, while having to deal with Tornado Shanks' warped and unscientific view of education. The classic story "The Scarlet Ibis," by James Hurst, is ripped off as part of a classroom discussion of death. All the while, cuts are made between Debbie Love's classroom and the spa Love is visiting, creating a series of double entendres.

    Director:Unknown
    Writer:Unknown

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  11. Sealab 2021 Season 4 Episode 3 - Dearly Beloved Seed
    5.9/10(69 votes)

    S4:E3

    The last of Captain Shanks' brothers (who are all named for mythical Greek heroes) dies from a heart attack while taking a dump; all the while, Hesh and Debbie Dupree get married.

    Director:Unknown
    Writer:Unknown

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Season 4 Ratings Summary

"Neptunati" is the best rated episode of "Sealab 2021" season 4. It scored 6.8/10 based on 61 votes. Directed by Unknown and written by Unknown, it aired on 7/18/2004. This episode is rated 0.0 points higher than the second-best, "Isla de las Chupacabras".