#1 - Chickmate 8.47
Season 1 - Episode 4
Debbie wants to have a baby so she starts to interview the crew to see who will be the father. Marco makes time with the other Debbie (aka "Black" Debbie).
#2 - Return of Marco 8.40
Season 4 - Episode 11
Marco died three episodes ago. What's he doing back? Later, Marco and Debbie sing Antônio Carlos Jobim's "Waters of March" in Portuguese.
#3 - Sharko's Machine 8.21
Season 4 - Episode 10
Marco's illegitimate son applies for a job on Sealab. Can he pass the civil service exam with Debbie and Quinn helping?
#4 - Vacation 8.09
Season 3 - Episode 2
Dr. Quinn forcibly takes a well-deserved vacation, inside Sealab's walls, the crew attempts to find out what he's doing.
#6 - Lost in Time 8.02
Season 1 - Episode 6
Under orders from Capt. Murphy, Stormy & Quinn attempt to hook up pirated cable-TV. After getting a picture, something goes haywire and sends Stormy & Quinn repeatedly back in time about 15 minutes. Then, after getting a picture, something goes haywire and sends Stormy & Quinn repeatedly back in time about 15 minutes. Then...Directors: Adam Reed, Matt Thompson
#7 - Craptastic Voyage 8.00
Season 4 - Episode 4
Quinn, White Debbie, and "He Who Smokes Bitches" Stormy Waters venture deep into Tornado Shanks to destroy a malignant tumor in Captain Shanks' head.
#8 - Bizzaro 7.97
Season 2 - Episode 7
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. Quinn. The Bizarros hold the real crew captive, before beginning to torture the real crew. With Bizarro Torture.
#9 - All That Jazz 7.96
Season 1 - Episode 9
Murphy is stuck under a soda machine. To make matters worse, everyone else is out at a concert and can't help him! To make matters worse still, who should happen upon poor, defenseless Murphy but an angry scorpion and a tooth-collecting maintenance robot?Directors: Adam Reed, Matt Thompson
#10 - Return to Oblivion 7.94
Season 3 - Episode 5
A network executive audits the set of the hard-hitting action drama Sealab 2021, with hopes of somehow salvaging the dwindling series.
#12 - Green Fever 7.87
Season 4 - Episode 9
Zombies ravage Sealab as Debbie plans her (fifth) 30th birthday party.
#13 - The Policy 7.86
Season 2 - Episode 5
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 crew before sending them on a fatal fool's errand, and proceeds to kill Captain Murphy with a homemade tesla coil in the hot tub. However, Captain Murphy grabs Sparks as he is being electrocuted, killing Sparks as well.
#14 - Hail, Squishface 7.85
Season 2 - Episode 6
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, and they multiply so fast that eventually Sealab is overrun with them. This episode parodies "The Trouble With Tribbles", Gremlins, and Aliens. There is also a reference to the popular fps shooter Return to Castle Wolfenstien when Debbie calls out "I need ammo!" and a bullet icon appears over her head.
#15 - Feast of Alvis 7.83
Season 2 - Episode 11
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".
#16 - In The Closet 7.83
Season 2 - Episode 1
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 running around Sealab.
#18 - ASHDTV 7.77
Season 4 - Episode 1
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.
#19 - Brainswitch 7.77
Season 3 - Episode 1
An accident leaves Quinn comatose and Stormy allegedly smarter. Have they really switched brains?
#20 - Stimutacs 7.76
Season 2 - Episode 2
Sparks starts pushing a new, "mostly kelp" energy pill that proves to be highly addictive.
#21 - Der Dieb 7.76
Season 2 - Episode 4
A series of unexplained thefts leads Murphy to declare "Martian law". In the ensuing madness, everyone ends up blaming Quinn for all the thefts.
#22 - Frozen Dinner 7.71
Season 3 - Episode 11
The Sealab crew attempts a daring rescue mission to Ice Station Zebra, one of whose inhabitants has turned to cannibalism. They are accompanied by a German who "came with the sub," bears more than a passing resemblance to Jürgen Prochnow and is given to firing his pistol inside the sub and shouting "Sieg Heil, Cornelius Drebbel!" Unfortunately, the two inhabitants of Ice Station Zebra cannot be rescued due to a lack of wetsuits, thanks to Debbie packing an attractive dress for herself instead.
#23 - Splitsville 7.69
Season 3 - Episode 6
Debbie and Quinn break up, while Dr. Virjay gets his old rock band back together.
#24 - Tourist Season 7.67
Season 3 - Episode 7
Captain Murphy opens Sealab to tourists, eventually prompting Dr. Virjay to renounce his religion, and begin to eat meat from cows.