SpongeBob SquarePants

Kelp Shake

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This is the page about Kelp Shake. If you were looking for the article about the store, then see Kelpshake.
Kelp Shake
Best Frenemies 016
SpongeBob holding a Kelp Shake
Type: Drink
Appearance: "Best Frenemies"
List of objects

Kelp Shakes were an addictive and potentially toxic soft drink served in the Kelpshake restaurant chain. They appear in the episode "Best Frenemies."


The drink was very popular and tasty (although Plankton described it as having "a pungent aftertaste"). The drink is light green, and the bottle also contained a straw.


It was eventually proven by Karen that the drink was 99% kelp juice and the remaining percentile was an unknown radioactive material that, at the end of the episode, was revealed to make the consumer grow green hair on their entire body, and abnormal round buttocks.

Side effects

In the end of "Best Frenemies," SpongeBob, Mr. Krabs, and Plankton were the only ones seen being the victims of the Kelp Shake. However, since almost everybody else in town drank a Kelpshake, they all suffered the same symptoms.

The body changing of the Kelp Shake made the consumer look similar to a gorilla, and even the consumer's clothes, socks, underwear, and shoes turn into green kelp too. For some odd reason, however, it took everybody except for Mr. Krabs and Plankton about two days to grow green hair and round buttocks.

It is possible that the Kelp Shakes were all made at the same time, and were going to mutate the characters at that exact time, regardless of when or how much people drank as Mr. Krabs and Plankton only had one bottle between them while others had many more.


  • A similar drink was seen on the Krusty Krab menu in "Mermaid Man and Barnacle Boy V," but this is not the same drink that is described here. There are many different types of Kelp Shakes.
  • In a way, the Kelp Shake is similar to Spongy Patties because both food products caused side effects to its clientele.
Food and Drinks (VE)

Chocolate BarChummy JoesChum FricasseeChumstickCoral BitsDonutSquidward's SouffléJelly SandwichKelpshakeKrabby PattySaladSpongeBob's Sunday SundaeSwedish Barnacle BallsCanned BreadCanned CoralBarnacle LoafBlancmangeBon-BonsBran FlakesBran MuffinHolographic MeatloafKelp BitsKelp JerkyKelp Nugget CrunchKelp ShakePop KelpSeahorse RadishSeanut BrittleSpongeBob's SundaeYummy BunzDrinkable SausageRusty on RyeVolcano SauceEnchiladasIce CreamKetchupMayoMilkshakeMustardPeasPizzaSandwichSmoked SausagesTeaThe Chocolate BalloonJellyfish JellySuper Double Triple PattyButtered BarnaclesChili Kelp FriesChum BurgerChum ChiliChumbalayaFoot LongGolden LoafMonster Krabby PattyPretty PattyTriple Krabby SupremeTriple Gooberberry SunriseTunaWow! SoupYellow PopsicleSteak SauceKrabby NewburgSweetie Patrol CookiesSquidward's SouffléKelpoKrusty Krab PizzaNature PattyTartar SauceKelp FriesChumBarnacle ChipsPaper PattiesPlabs BurgerSea-Nut ButterFiberLima BeansKelp ChipsSea Horse MilkJellyfish Jelly PattyGrandma Worm's Gourmet FeedSnail FudChopped LiverMarsh KingFortune cookiePatchy PattiesStrongman PowderClam ChowderRusty PattyKelp CreamHotdog on a StringExploding PieSeaweed PastaSeaberry PieThrow FruitAged Nut BrieGhost Nut ChiliExecutive TreatmentCookiesSpongeBob's Exercise ShakeSnail BitesDeluxe Krabby PattyAll Organic Nature's Science Snail FoodFried Oyster SkinsPretty PattiesSpongy PattiesNasty PattySalsa ImbecilicusKrusty DogsFlabby PattySorry About The Scabies CakeNutty ButterNachosPrune DanishChopper PattyFruitcakeRaw SewageFrozen Krabby PattyLonely KrabFin fruitHogan Diip

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