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Season guide

Sealab 2021: Season 2

11 episodes Premiered Apr 7, 2002 Updated Oct 6, 2026
Previously on Sealab 2021

Season 2 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Sealab 2021 Season 1.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 2 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 2 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 2: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

Time Saved 0.2h Skipping 1 filler episode
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Mytharc (3): Crucial lore & season climaxes
Core (7): Character development & subplots
Side Quest (1): Standalone / filler
S2·E1 Mytharc

In the Closet

Apr 7, 2002 · 11 min

Due to a faulty door, the Sealab crew gets locked in a tool closet. A few black eyes result as they try to get out, but then they discover that a pack of unfed killer dogs are runn

S2·E2 Core

Stimutacs

Apr 28, 2002 · 11 min

Sparks starts pushing a new, "mostly kelp" energy pill that proves to be highly addictive.

S2·E3 Filler

Swimming in Oblivion

May 5, 2002 · 11 min

Behind the scenes at the chaotic "set" of Sealab 2021. In this episode, the voice actors use their own names rather than the characters'. The episode is a parody of Living in Obliv

S2·E4 Core

Der Dieb

May 12, 2002 · 11 min

A series of unexplained thefts leads Murphy to declare "Martian law". In the ensuing madness, everyone ends up blaming Quinn for all the thefts.

S2·E5 Core

The Policy

Nov 3, 2002 · 11 min

After running up thousands of dollars in credit card debt, Murphy can't come up with a way to pay for it all...until Sparks intervenes. He takes out life insurance policies on the

S2·E6 Core

Hail, Squishface

Nov 10, 2002 · 11 min

A mysterious Asian visitor brings an irresistibly cute Gloop (reminiscent of shmoos) onto the station, which Murphy names Squishface. There are two problems, though: Gloops stink,

S2·E7 Core

Bizzaro

Nov 17, 2002 · 11 min

Who should come aboard SeaLab but the Bizarro versions of the crew, such as Bizarro Debbie, Bizarro Marco, Bizarro Murphy, Bizarro Sparks, Bizarro Stormy, and a sort-of Bizarro Dr.

S2·E8 Core

Legend of Baggy Pants

Nov 24, 2002 · 11 min

Murphy's golf game is, due to a lack of golfballs, cut short. Murphy embarks on a frantic quest to find the Pro Shop. On the way, Murphy runs into a Monster-Hesh, snotty telephone

S2·E9 Core

Tinfins

Dec 8, 2002 · 12 min

The crew of Sealab (along with a vapid gossip-show host, a bear in lederhosen and guest stars Kid 'n Play) star in a sneak preview special for the movie Tinfins, complete with plen

S2·E10 Mytharc

7211

Dec 15, 2002 · 11 min

A nuclear submarine crashes outside the station, and the crew of Sealab (in a rare occurrence) must work quickly to stop an environmental disaster from happening.

S2·E11 Mytharc

Feast of Alvis

Dec 29, 2002 · 11 min

Capt. Murphy's attempts at a happy Alvistide go awry thanks to non-Alvian crew members, an uncooperative electrician, and Alvis himself "crapping the buffet".

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