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SpongeTron with his jets up.

SpongeTron is the futuristic SpongeBob from the year 4017. His overall appearance is like SpongeBob SquarePants. He was seen in the episode SB-129. When Squidward Tentacles arrived in the future, he shortly met SpongeTron and Patron in the kitchen area of the Krusty Krab. SpongeTron was cloned 486 times and all of them is a different letter of the alphabet. In the year 4000, there are 486 different letters. Like his present-day counterpart, he is voiced by Tom Kenny.

His best friend is Patron and they both love Jellyfishing. SpongeTron presumably has 489 clones because you can see SpongeTron X, SpongeTron Y, and SpongeTron Z in SB-129 although one of the SpongeTron's disappeared and marked a cartoon goof. His first words after seeing Squidward were "Holy Krabby Patties,", probably meaning that Krabby Patties are still in the future but may look chrome. He makes a computer click sound to turn robotic.



SpongeTron is SpongeBob's part-robot descendant. He has all of his holes, he is yellow, wears his Krusty Krab employee hat and wears his outfit. SpongeTron has all of the looks of SpongeBob but he usually does not walk, although he did walk to Squidward once. His legs double as jets. He also can pull his tie to make a robotic arm come out of his hat, holding a brick that he would then drop, which he used on Squidward. He also has a laser chrome hammer that that he used to free Squidward from the ice.


  • "Holy Krabby Patties! A frozen cephalopod!"
  • "Greetings, primitive."
  • "SpongeBob? No! (robot voice) I am SpongeTron. (normal voice) Welcome to the future."
  • "Welcome to the future."
  • "Everything is chrome in the future!"
  • "Of course I'm right, Squidward. Just ask my clones: SpongeTrons X, Y, and Z."
  • "Sure! All 486 of them."
  • "Jellyfishing!" (said by clones)
  • "Hi, Patron!"
  • "Well, why didn't you just ask? The time machine is down the hall to the left."
  • "Whoops! Oh yeah, that one's the can opener. But try the one on the right."



  • SpongeTron is one of the only good-side and good system-like computer-like robots in the SpongeBob TV series.
  • SpongeTron is most likely a cyborg. Because of his Spongy talk, he is also part Sponge.
  • He seems a little smarter than the 'current' SpongeBob.
  • The quote "I am SpongeTron" is also a lyric in When Worlds Collide.
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