SpongeBob SquarePants S Wikia
Sheldon J. Plankton
Plankton Title Card.png
Alias: Plankton
Powers: Unknown
Gender: Male
Species: Copepod plankton
Birth date: November 30, 1942
Age: 78
Hair color: Unknown
Eye color: Red
Occupation: Founder and owner of the Chum Bucket
Member of Galactic Empire
First Appearance: New Danger Come to Bikini Bottom (Old Series)
Last Appearance: Decisive Battle
Number of Appearances: 6 (Old Series)
3 (New Series)
Status: Alive
Family: Gordon Plankton (father)
  • Mama Plankton (mother)
Affiliation: Chum Bucket
Galactic Empire

Sheldon J. Plankton was one of major antagonists of SpongeBob SquarePants S series. He is the founder and owner of Chum Bucket, and a long-time arch-nemesis of Eugene H. Krabs. He is also one of members of Galactic Empire.


Season 1 (Old Series)[]

In episode 1, he was seen planning to steal the Krabby Patty Secret Formula at Nether along with Hipporito, Kaito, and Daiki. But Gatanozoa sent Fire Golza to Earthrealm instead, causing Fire Golza to jumpscare the viewer at the end of the episode.

In episode 3, Plankton appears and turned into big. Plankton destroys Jellyfish Fields from his eye and teleport back to the Nether to informed the villains that he destroyed the Jellyfish Fields.

In episode 4 in the Nether when Kaito asked Plankton if Count Dooku had been killed Mileena, but Plankton answers he is. Dooku appears for his turn and flying up to the earth. Lord Baron said that he's going to kill them. Later after Baron teleports back to the Nether, Plankton asks what is going on. Baron appears that he failed again.

Season 2 (Old Series)[]

In episode 7, Plankton appears at the sewer and enlarge himself to big. Plankton tries to destroy Yokohama, but the Pretty Cures are going to fight him. Plankton defeating the Pretty Cures, but Ryan, Asuka, and SpongeBob stop him. Plankton tried to shoot them, but Ichigo blocked the attack with his Rider Kick. Asuka transform into Dyna and fight with Plankton. Then, Dyna finished Plankton with his Solgent Ray, made Plankton back to normal.

In episode 9 at the Netherrealm, Hipporito, Shang Tsung, Kaito Kumon, Daiki Kaito, and Plankton go to the Earthrealm and show them. At the Bikini Bottom, they are landed here. Kaito transformed into Lord Baron, Daiki transform into Kamen Rider Diend, while Plankton grows bigger. They started to attack the Krusty Krab, but Cyber Sub-Zero saved the gang by defeating the villains, including him. Gatanozoa had enough and killed Cyber Sub-Zero, then disappears. After the five of the gang transformed themselves, Plankton fought Dyna at the Jellyfish Fields. Plankton shoot Dyna with his orange laser eye. Later, Dyna finished Plankton by using Solgent Ray and explode him.

In episode 11, he is seen laughing with Hipporito, Daiki, and Shang in hell.

Season 1 (New Series)[]

In episode 3, He once back again to Seek his Revenge to Krabs for His Failure to Steal Formula a whole time, He met Gatanozoa Somewhere else the Gatanozoa Tell him that he had a Same way with Plankton, Plankton gained the New Power from Gatanozoa that can Increase himself to an Giant and Destroy Jellyfish Fields, He was Stronger than before even 6 of Team Spongebob has to Gathering force to Defeat him Once. Until he was Defeated he had been Send back to his Empire.

Season 2 (New Series)[]



Skills and Abilities[]

Old Series
  • Size Enlargement: He can increasing his own size from small to large by using Gatanozoa's power.
  • Laser Eye: He can shoot the laser that comes out from his one eye. In episode 9, the color of the laser has turned orange.
  • Eye Shot: Plankton can shoot the red flash from his eye and it can cause the permanent damage.
New Series
  • Size Enlargement: He can increasing his own size from small to large by using Gatanozoa's power.
  • Laser Eye: He can shoot the laser that comes out from his one eye.

Main article: Armored Darkness

Episode Appearences[]

Season 1 (Old Series)[]

Season 2 (Old Series)[]

Season 1 (New Series)[]

Season 2 (New Series)[]



SpongeBob SquarePants S Characters
Heroes SpongeBob SquarePants/SSJG SpongeBob/SpongeBob SPatrick StarSquidward Tentacles/Captain Magma/Squidward SSandy CheeksEugene H. KrabsKouta Kazuraba/Kamen Rider GaimHaruto Soma/Kamen Rider WizardShin Asuka/Ultraman DynaKurumi Erika/Cure MarineRyan HigaTakeshi Hongo/Kamen Rider Ichigo
Allies Squilliam FancysonIan HecoxAnthony PadillaGodzillaHayato Ichimonji/Kamen Rider NigoShiro Kazami/Kamen Rider V3Joji Yuki/RidermanKeisuke Jin/Kamen Rider XDaisuke Yamamoto/Kamen Rider AmazonShigeru Jo/Kamen Rider StrongerHiroshi Tsukuba/SkyriderKazuya Oki/Kamen Rider Super-1Ryo Murasame/Kamen Rider ZXSub-Zero/Cyber Sub-ZeroShinnosuke Tomari/Kamen Rider Drive
Villains Sheldon J. PlanktonDaiki Kaito/Kamen Rider DiendGatanozoa/Hyper Zetton/Demonzoa/ValokDestroyahZamuShang TsungQuan ChiHipporitoKaito Kumon/Lord Baron/Kamen Rider BaronStorm TrooperNinjasDragon King OnagaScorpionSmoke/Cyber SmokeCyraxSektorMileenaCount DookuGeneral GrievousNoob SaibotElement of InsanityRainReptileErmacBaneLiu Kang/Zombie Liu KangScarlet
Monsters Monster ArmyBemlarGolza/Fire GolzaGan QC.O.V.MelbaReigubasKing of MonsBajirisScyllaElekingBemstarAntlarSadoraGudonTwin TailsZettonTyrantFive KingDorakoBirdonArigeraRoberugaGromiteAngrossTelesdonGalberosSalamandoraLunatyxMuruchi/Zoa MuruchiRed King/EX Red King