Sheldon J. Plankton/Appearances (Kamp Koral: SpongeBob’s Under Years)

This is a list of appearances of the character Sheldon J. Plankton on Kamp Koral: SpongeBob’s Under Years. In total, Plankton has appeared in over hundreds of SpongeBob-related products. On Kamp Koral, he has appeared in some form in 41 episodes so far.

Bold means Plankton was the main character of and/or played a major role in that episode.

Italic means Plankton appears in a feature-length movie, a book, a video game, or a musical. It is also used for the titles of television shows that he appears in.

All episodes are listed by production order.

Season 1

Appearances in this season as of now: 16 (including his cameo in "The Jellyfish Kid")

#	Titlecard	Title	Airdate	Written by	Description	Screenshot
1		The Jellyfish Kid	March 4, 2021 (Paramount+) September 10, 2021 (Nickelodeon)	Kaz	A young SpongeBob wants to catch his first jellyfish, so his friends do whatever they can to help him catch one.
3		Quest for Tire	March 4, 2021 (Paramount+) September 17, 2021 (Nickelodeon)	Mr. Lawrence	The weekly food delivery truck goes missing, so the campers must hunt it down like their primal ancestors.
4		Kitchen Sponge	March 4, 2021 (Paramount+) September 24, 2021 (Nickelodeon)	Andrew Goodman	SpongeBob helps Plankton at the Krusty Kanteen, leading to the development of a very familiar sandwich.
6		Midnight Snack Attack	March 4, 2021 (Paramount+) November 21, 2021 (Nickelodeon)	Luke Brookshier	After SpongeBob and Patrick eat a secret snack experiment, Plankton must reverse the monstrous side effects.
21		The Switch Glitch	January 13, 2023 (Nickelodeon) May 26, 2023 (Paramount+)	Kaz	An accident causes Patrick and Karen to switch bodies.
		Prickly Pests	May 26, 2023 (Paramount+) July 13, 2023 (Nickelodeon)	Mike Bell	A mischievous camp prank goes terribly wrong.
22		Are You Smarter Than a Smart Cabin?	May 26, 2023 (Paramount+) July 31, 2024 (Nickelodeon)		In an effort to avoid doing chores, Sandy invents a "smart cabin."
		Deep Sea Despot	May 26, 2023 (Paramount+) August 1, 2024 (Nickelodeon)		Mr. Krabs leaves Squidward in charge as Camp Master.
23		Regi-Hilled	May 26, 2023 (Paramount+) August 6, 2024 (Nickelodeon)	Bobby Gaylor	Narlene and Nobby teach Regigille all about backwoods living.
		The Perfect Camper	May 26, 2023 (Paramount+) August 5, 2024 (Nickelodeon)		The Trawler cabin creates the perfect camper to compete in the Camp Summer Games.
24		Eye of the Hotdog	May 26, 2023 (Paramount+) August 7, 2024 (Nickelodeon)	Mike Bell	Craig Mammalton learns what it’s like to not be the best at something.
		Patrick Takes the Cake	May 26, 2023 (Paramount+) August 8, 2024 (Nickelodeon)	Kaz	Patrick and a cake hide out in the wilderness.
25		The Taste of Defeat	May 26, 2023 (Paramount+) August 19, 2024 (Nickelodeon)	Bobby Gaylor	Plankton discovers competition in Narlene’s backwoods restaurant.
		Scaredy Squirrel	May 26, 2023 (Paramount+) August 20, 2024 (Nickelodeon)	Mike Bell	Sandy spends a night at the Trawler cabin.
26		Hats Off to Space	May 26, 2023 (Paramount+) August 21, 2024 (Nickelodeon)	Kaz	The Dinghies travel to outer space.
		In a Nut’s Shell	May 26, 2023 (Paramount+) August 22, 2024 (Nickelodeon)	Bobby Gaylor	After discovering his empty shell, Narlene and Nobby disguise themselves as Camp Master Krabs.

Season 2

Appearances in this season: every episode

#	Titlecard	Title	Airdate	Written by	Description	Screenshot
27		Mad Science Squirrel	July 10, 2024 (Paramount+) February 14, 2025 (Nickelodeon)	Mike Bell	Plankton recruits Sandy to help in his lab.
		To Pop a Bubble		Luke Brookshier	SpongeBob is determined to find out who popped his new bubble friend.
28		High and Dry	July 10, 2024 (Paramount+) February 21, 2025 (Nickelodeon)	Bobby Gaylor	The Dinghy cabin camps overnight out of the water.
		The Beardsman		Mike Bell	Wilderness expert Paul Grunion visits the camp.
29		Five Times the Fun	July 10, 2024 (Paramount+) February 28, 2025 (Nickelodeon)	Andrew Goodman	When Patrick’s detached limbs regrow into five Patrick clones, it’s up to the gang to stop them before they take over the camp.
		Low Falutin’		Mike Bell	Rea and Roh get a taste of the cheap life after they lose all their money.
30		Nut Madness	July 10, 2024 (Paramount+) March 7, 2025 (Nickelodeon)	Andrew Goodman	Things get nutty at camp when Sandy goes feral over the sight of peanuts.
		Mermaid Men and Barnacle Boys		Mike Bell	The Dinghy and Pontoon cabins go head-to-head in a series of superhero challenges.
31		A Tale of Two Roxies	July 10, 2024 (Paramount+) March 14, 2025 (Nickelodeon)	Bobby Gaylor	It’s a classic case of sibling rivalry after the conjoined Roxie sisters split up.
		Nite Owls			When the Dinghies attempt to stay up all night, they discover a side of camp they've never seen before.
32		Calling Some Monsters	July 10, 2024 (Paramount+) March 21, 2025 (Nickelodeon)	Mike Bell	Realizing the monsters are actually quite boring, SpongeBob and Patrick set out to help them channel their wild side.
		Dig This		Bobby Gaylor	A mysterious bone discovery at Kamp Koral leads Sandy to start an archeological dig.
33		Un-Breaking and De-Entering	July 10, 2024 (Paramount+) March 28, 2025 (Nickelodeon)		SpongeBob discovers that Gary’s been secretly taking items from everyone in camp.
		Swimmin’ Holed		Mike Bell	After SpongeBob and Patrick discover Narlene and Nobby’s secret swimming hole, it doesn’t stay a secret for long.
34		Krabsy the Klown	July 10, 2024 (Paramount+) April 4, 2025 (Nickelodeon)	Bobby Gaylor	When Camp Master Krabs reveals that he used to be a clown, SpongeBob convinces him to wear the big shoes once again.
		Lords of the Larp		Mike Bell	Mo joins the Pontoon cabin’s LARP (live action role-playing) group.
35		Mascot Mayhem	July 10, 2024 (Paramount+) April 11, 2025 (Nickelodeon)	Andrew Goodman	SpongeBob and Patrick compete to become Kamp Koral’s mascot.
		Putt Up or Shut Up		Bobby Gaylor	Camp Master Krabs and Squidward compete head-to-head to see who is the better golfer.
36		Who’s Complaining?	July 10, 2024 (Paramount+) April 18, 2025 (Nickelodeon)	Mike Bell	Camp Master Krabs puts Squidward in charge of Kamp Koral’s complaint department.
		Patrick’s Star	July 10, 2024 (Paramount+) April 25, 2025 (Nickelodeon)	Andrew Goodman	SpongeBob and Sandy gift Patrick a star for his birthday.
37		A Finful of Sand Dollars	July 10, 2024 (Paramount+) TBA (Nickelodeon)	Bobby Gaylor	Sheriff Sandy pulls out all the stops when a ne'er-do-well interloper turns Kamp Koral’s Western Day upside down.
		Cretins of the Night		Mike Bell	SpongeBob and Patrick discover the ups and downs of vampire life with Kidferatu’s help.
38		The Suit Suits You		Andrew Goodman	Sandy learns the dangers of untested technology while an old companion goes on a journey of self-discovery.
		Parasite Pals		Bobby Gaylor	SpongeBob’s relationship with the rest of camp is pushed to the brink by his newest friend, a parasite living in his body.
39		End of Summer Daze		Andrew Goodman	Summer is over, and SpongeBob and Patrick stay behind for one final attempt to catch a jellyfish – but they’renot the only ones hiding out at camp.

Sheldon J. Plankton/Appearances

Shows: Main Series - Seasons 1-8 ● Main Series - Seasons 9-13 ● Main Series - Season 14-Present ● Kamp Koral ● The Patrick Star Show Movies: Feature-Length Movies Shorts and Specials: Appearances in Shorts and Specials Books: Book Appearances Video Games and Phone Apps: Interactive Media Other: Other Franchise Appearances