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Goo Goo Gas is a SpongeBob SquarePants episode from season five. In this episode, Plankton creates a gas that turns adults into babies.

Goo Goo Gas.png



The scene starts with Plankton (disguised as a pepper shaker) taking a Krabby Patty but is easily caught by Mr. Krabs. Plankton then hears a woman saying that she can take her baby's milk away from him and can't do a thing about. This makes Plankton realise he will turn Mr. Krabs into a baby

Plankton then leads Mr. Krabs in a telephone booth where he sprays Goo Goo Gas on him, turning Mr. Krabs into a baby but Baby Krabs teeths on Plankton. SpongeBob finds Baby Krabs and takes him under his but Plankton accidently reveals that Baby Krabs is Mr. Krabs and gets arrested but easily escapes. Plankton sprays Baby Krabs and SpongeBob but Mr. Krabs is now an adult and SpongeBob is a baby. Plankton squirts SpongeBob and he is now an adult but Plankton gets launched out of the Krusty Krab. Plankton sprays Mr. Krabs and SpongeBob again but they are now elderly. Elderly SpongeBob and Mr. Krabs trap Plankton by knitting a net. Plankton buys baby powder and then sprays all the customers in the Krusty Krab but Plankton gets beaten up by the babies. Plankton then gets the Formula but Baby SpongeBob bashes the Goo Goo Gas canister, causing it to explode, turning Plankton into a microscopic baby and presumbaly everyone back to adults. Plankton then says "Ahem, Momma's evil little genius needs a diaper!".


  • This episode aired as one of the 10 new episodes during the Sponge Bash and officially completed Season 5.
  • Plankton calls Mr. Krabs "Methuselah", who in the Hebrew Bible, is the oldest person. This makes sense since Plankton had just turned Mr. Krabs very old.
  • Plankton is microscopic as a baby in this episode, but in "Friend or Foe", he is the roughly his regular size as a baby.
  • This episode was shown in the UK long before premiering in the US. It was first available in America on the"WhoBob WhatPants?" DVD, which was released on October 10.
  • This is the third time SpongeBob is seen as a baby, the second time Patrick is seen as a baby, the second time Mr. Krabs is seen as a baby, the second time Plankton is seen as a baby, and the first time Squidwardis seen as a baby.
  • When Peterson sees SpongeBob chasing Plankton, he is at the right side of the table he is sitting next to. When the shot shows Krabs, he is at the left side of the screen.
  • In this episode, all the major characters are seen as babies except Sandy, who doesn't appear in this episode.
  • The German version of this episode lacks the text font, color and background in the title card.
  • In this episode, the key to the Krusty Krab does not have two Ks, unlike in other episodes where it has been seen.
  • When Karen is sprayed with the gas, she turns into a calculator and displays "HELLO," while turned upside down, which would be the number "0.7734".
  • The title card music for "Squidville" is heard when Plankton visits the Barg'n Mart.
  • On, this episode aired with No Hat for Pat in July 2009.
  • When Plankton turns into a baby, he simply shrinks to microscopic size and can still talk like he could before.
  • When Plankton shoots the baby gas at someone, they randomly get a diaper. Then when they get hit with the gas a second time and turned back to normal, they stay in a diaper for some reason.
  • The net Plankton gets caught in isn't held by anything. A trap net won't work unless the supporting string is tied to something.
  • Sandy was never seen as a baby, as she doesn't appear in this episode.
  • Plankton said "Everyone say your ABC's now when you turn in to babies you stay babies!", the gas must have worn off because in the next episode (The Big Switch) everyone that was at the Krusty Krab is an adult.
  • The title card music is the same as Can You Spare a Dime?, But it sounds a bit different.
  • 44th episode with its name in it.
  • Patrick made a cameo appearance in this episode, we did see him running while the others at the Krusty Krab are being turn into babies, Patrick gets turn into a baby as well.
  • When Old SpongeBob asks Old Mr. Krabs,"Catch who?" Old Mr. Krabs mistakenly says "gesundheit" because he thought SpongeBob sneezed. He might've said this instead of "God bless you," to not add any religious references.
  • The scenes with Old SpongeBob and Old Mr. Krabs are featured on the fake promo for Nickelodeon UK channel called Nick Sr.
  • When Karen turned into a baby, she was a calculator. If the Krusty Krab register were to be turned into a baby, it would also be a calculator.
  • When Plankton was trapped in the net, the Krabby Patty is missing.
  • This is the first time a telephone booth is seen outside the Krusty Krab. Some other times, a pay phone can be seen on the back of the Krusty Krab or nearby.
  • This is the first time that the Krusty Krab had a mailbox.
  • This is the only episode from Season 5 to air in 2009 and the only to be one of the 11 new episodes in The Ultimate Sponge Bash.
  • On June 15, 2011 the television air changed the airdate to September 29, 2007. It used to be listed as July 19, 2009.
  • This is the second time someone kept injuring someone else for doing/saying something. the first was "The Camping Episode".
  • When Plankton was in Baby Patrick's diaper, if you can hear closely you can hear Patrick farting at Plankton.
  • When Plankton turns SpongeBob and Mr. Krabs old, a walker and a cane is seen. It is unknown how they got it.
  • In many different languages of the "Goo Goo Gas", when Karen gets turned into a baby and types "HELLO", she actually says "hello." It is unknown why she doesn't say anything in the English version.
  • This is the second time Spongebob was seen old the first was The Secret Box.
  • This is the Old Spongebob design was also used in The Secret Box.

APM Music Identification

Original Music

  • Vibe Sting - Plankton frees himself.

​APM Music

  • Towerstreet 17 (#10) - Plankton steals a Krabby Patty.
  • Towerstreet 17 (#4) - "Hold it right there, Plankton.
  • Towerstreet 17 (#33) - Mr. Krabs takes the Krabby Patty from Plankton.
  • Twinkle Toes - "Why, you're so tiny and helpless I could take your formula whenever I wanted to and you couldn't do a thing about it."
  • Cell 501 - The idea of turning Mr. Krabs into a baby pops into Plankton's mind.
  • Life or Death - The phone booth fills with gas.
  • Tomfoolery - Mr. Krabs appears as a baby.
  • Against the Law (a) - "Yes! My plan is working perfectly!"
  • International Law - The police arrest Plankton.
  • Acts of Heroism (a) - "Oh, Squidward, thank Neptune you're here."
  • Drama Link (e) - "What do we do, Squidward?!"
  • Mystery X - Plankton sprays SpongeBob and Mr. Krabs.
  • Keel Row - Plankton is thrown back to the Chum Bucket.
  • From the Dead - #1 - Plankton pops out of Mr. Krabs' mailbox.
  • Death Trap - Plankton chases Mr. Krabs.
  • Comic Walk - #1 - Mr. Krabs is shown as a senior citizen.
  • The Adventure Begins - "Hold it right there."
  • Comic Walk - #2 - SpongeBob appears as a senior citizen.
  • From the Dead - #2 - Plankton runs off with the Krabby Patty.
  • Twelfth Street Rag - Old Man Krabs and Old Man SpongeBob chase Plankton.
  • Jarabe Tapatio (a) - "Eh... right after the party."
  • Happy-Go-Lively - Exterior shot of the Barg'N-Mart.
  • Like Strange - Plankton uses the baby powder.
  • Brutal (b) - Plankton sprays everyone at the Krusty Krab.
  • Cellar Search - "I've got it!"
  • Cosmic Could - "Mommy's evil little genius needs a DIAPER!"