SpongeBob SquarePants: Season 1, Episode 3

Jellyfishing/Plankton! (31 Jul. 1999)

TV Episode  |  TV-Y7  |   |  Animation, Comedy, Family
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Ratings: 8.4/10 from 315 users  
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Jellyfishing: SpongeBob and Patrick take Squidward jellyfishing. Plankton!: Plankton tries to steal the formula.

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Episode cast overview:
Patrick Star (voice)
Singer (voice)
Mr. Krabs (voice)
Karen (voice)
Alex the Golden Retriever ...


Jellyfishing: When SpongeBob and Patrick find Squidward is recovering from a bicycling accident, SpongeBob and Patrick decide to take Squidward jellyfishing with them so that he can have his "best day ever." Good intentions notwithstanding, SpongeBob and Patrick thrust poor Squidward into the far more hazardous rigors of their favorite pastime. Plankton!: SpongeBob falls victim to a scheme by the evil Plankton, Mr. Krabs' minuscule arch-rival with the Napoleon complex. Plankton hides out in SpongeBob's head and takes control of his brain. SpongeBob finds he must fight his own body to prevent himself from handing over the secret Krabby Patty recipe to Plankton. Written by NAS

Plot Summary | Plot Synopsis


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Release Date:

31 July 1999 (USA)  »

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Did You Know?


Patrick pierces the net into Squidward's left hand while Squidward is in the body cast. Later, when Squidward starts to hunt jellyfish, the net has switched to his right hand. See more »


Computer: Plankton: 1% Evil, 99% Hot Gas.
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Featured in 100 Greatest Cartoons (2005) See more »


Hawaiian Link A
Written by Richard Myhill
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User Reviews

A Great Episode and a Weak One
26 May 2010 | by (United States) – See all my reviews

This episode of SpongeBob had great moments and bad moments. The majority of the bad moments came in the episode "Plankton!"

"Jellyfishing" SpongeBob and Patrick want Squidward to go jellyfishing with them. He rides away on his bike and gets into a crash. SpongeBob and Patrick take him jellyfishing to cheer him up. This episode had some great gags, and the Blue Danube montage was great. 9/10 "Plankton!" SpongeBob is making a Krabby Patty and it starts moving around. SpongeBob thinks it is "haunted" but Mr. Krabs discovers that it's a plankton, named Plankton, stealing the Krabby Patty to find the secret formula. This was a weak introduction to Plankton's character and he was honestly much funnier in other episodes. What bugs me most about "Plankton!" is that SpongeBob's laugh is different. 5/10 9+5=14 14/2=7

Whole Episode: 7/10

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