Air Date

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Plankton is the 7th episode of the award winning series, Spongebob Squarepants (T.V. Series). It begins with Spongebob Squarepants and Squidward Tentacles working at the Krusty Krab. After Spongebob puts a Krabby Patty under Squidward's nose, it dances and heads toward the front door. Spongebob calls for Eugene Krabs, telling him that the Krabby Patty is haunted. Mr. Krabs catches the patty which is being driven by Plankton, whom in his first appearance is trying to steal the Krabby Patty formula. Mr. Krabs confronts Plankton whom storms off. After work, Spongebob meets Plankton and Plankton tells Spongebob that the next day was his birthday. Spongebob discovers Plankton's trick to try to give him the secret formula for his birthday and returns home even when Plankton offers him a golden spatula. Then, Plankton sneaks into Spongebob's House in the middle of the night and takes control of Spongebob's brain. Spongebob wakes up and is walked to Squidward's House in which he destroys his bedroom and calls him a mediocre clarinet player in Plankton's voice. Next, Spongebob ventures over the Patrick's House and destroys most of it and leaves a sleeping Patrick on the cold ground. Afterwards, Spongebob is taken to the Krusty Krab and takes a Krabby Patty to Plankton's Chum Bucket. Spongebob tries to resist Plankton but is taken to the lab where the secret formula would be revealed. The analyzer, Plankton's wife, Karen, analyzes a piece of sea weed as 50% Sea 50% Weed. Spongebob goes over the delious ingredients of the formula making Plankton's mouth water and jump out of Spongebob's brain onto the Krabby Patty, but slips off into the analyzer which analyses him as 1% Evil 99% Hot Gas. Finally, Spongebob walks out of the Chum Bucket with the battered Krabby Patty. 


  • 3rd time Sandy doesn't appear, 2nd straight. 
  • 5th appearance of Squidward and Patrick.
  • 7th appearance of Spongebob Squarepants.
  • 1st time Mr. Krabs appears since the pilot, Help Wanted.
  • 1st appearance of Plankton and Karen.
  • This episode was released on the Lost At Sea DVD/Video.
  • 2nd appearance of Gary. First since Help Wanted.
  • First time Patrick just appears as a cameo.

Characters PresentEdit


  • Spongebob: (In Plankton's Voice) "Shut your mouth you mediocre clarinet player."
  • Squidward: (In responce) "Metiocore!?"
  • Karen: "Plankton, 1% Evil, 99% Hot Gas."
  • Plankton: "I'll settle for fries."
  • Mr. Krabs: "Plankton! Stealing me booty."

Air DateEdit

Air Date




Naughty Nautical Neighbors