Two scientists are stuck on an iceberg in Antarctica. They call for Sealab's help, but they have other issues. For example, Marco thinks he is a salad, Sparks interrupting the call by watching porn, Turtle races.

A never-before mentioned crew of technicians on Sealab with their own episode.

The following program, entitled "Gert" for some reason, is the original original Sealab pitch pilot that Matt and Adam made in their spare time while still employees of Cartoon Network in 1995. It is not, for reasons soon to be painfully obvious, the pitch pilot that sold Sealab.

Know that old saying about breaking eggs to make an omelette? Well what follows is a bunch of busted eggs we call "Ronnie".

Before each episode of Sealab 2021 is fully animated, a "rough cut" is edited.

Original version of episode. The not-funny-enough-one.

Unaired episode

An up close look at Sealab's idiot man-child Derek "Stormy" Waters.

"Shrabster Forward" is an alternate, linear cut of the Sealab 2021 episode "Shrabster". While the standard TV broadcast aired in a nonlinear, reverse-chronological order (a la Pulp Fiction), the Forward version plays the scenes in their proper chronological sequence.

"Best of Sealab/Sunken Treasures" is the Season 4 DVD feature compiling classic character moments and short clips from the absurd Adult Swim animated show Sealab 2021. It notably includes Captain Murphy's best moments and the talking trees from Isla de Chabacano.