- 1 Description
- 2 Role in series
- 2.1 "Plankton!"
- 2.2 "Scaredy Pants"
- 2.3 "I'm with Stupid"
- 2.4 "Welcome to the Chum Bucket"
- 2.5 "Mermaid Man and Barnacle Boy IV"
- 2.6 "Snowball Effect"
- 2.7 "Squilliam Returns"
- 2.8 "Bummer Vacation"
- 2.9 "Night Light"
- 2.10 "Bucket Sweet Bucket"
- 2.11 "SpongeHenge"
- 2.12 "House Fancy"
- 2.13 "Krabby Road"
- 2.14 "Penny Foolish"
- 2.15 "Nautical Novice"
- 2.16 "Porous Pockets"
- 2.17 "I ♥ Dancing"
- 2.18 "Stuck in the Wringer"
- 2.19 "The Inside Job"
- 2.20 "Kracked Krabs"
- 2.21 "SpongeBob's Last Stand"
- 2.22 "A Day Without Tears"
- 2.23 "Earworm"
- 2.24 "It's a SpongeBob Christmas!"
- 2.25 "Séance Shméance"
- 2.26 "SpongeBob You're Fired"
- 2.27 "Yeti Krabs"
- 2.28 The SpongeBob Movie: Sponge Out of Water
- 2.29 "Whirly Brains"
- 2.30 "Sportz?"
- 2.31 "The Getaway"
- 2.32 "The Legend of Boo-Kini Bottom"
- 2.33 "Old Man Patrick"
- 2.34 "Library Cards"
- 2.35 "Call the Cops"
- 2.36 "The Grill is Gone"
- 2.37 "The Nitwitting"
- 2.38 "Lighthouse Louie"
- 3 Role in video games
It has many different appearances. It is most commonly pink. Depending on where it appears (including episodes, movies, and shorts), his brain can look and function quite differently.
Role in series
Patrick shaves SpongeBob's head down to his brain in order for him to dress like a round-headed ghost.
Plankton puts the brain into a robotic suit, and it seems to keep its personality even outside of SpongeBob's body.
It is mentioned and seen in Squidward's thoughts. When SpongeBob and Patrick claim they will knock each other's brains out in a snowball fight, Squidward imagines the scenario, in which Patrick throws a snowball at SpongeBob and his brain falls out.
The inside of SpongeBob's brain is seen in this episode. Inside, there are miniature figures resembling SpongeBob, and there are areas resembling an office and a bathroom. When Squidward pretends to own a five-star restaurant, the miniature SpongeBobs delete all of SpongeBob's thoughts and memories so he will only think about being a successful waiter.
SpongeBob very briefly pops his brain out of his head to show mentally he can stay away from work.
It briefly appears when SpongeBob rolls his eyes into the back of his head to light up the dark inside him.
When SpongeBob fetches water pipes for Plankton's redecoration, one of them goes through SpongeBob's head and knocks out his brain.
When a jellyfish is first interested in the noises which the wind makes flying through SpongeBob's holes, it flies into him and his brain is in view.
Before the episode, the brain was borrowed by Patrick briefly, and he gives it back to SpongeBob during the episode.
Plankton has a device that is able to play music from different formats; one of them is "brain," and, in hopes of hearing a song about the Krabby Patty secret formula, Plankton connects SpongeBob's brain to the machine. This results in SpongeBob singing the music selected from the machine dial.
The brain falls out of SpongeBob's head by Mr. Krabs' search of SpongeBob's 'penny'. They both chase after it, showing that SpongeBob can still move and function without it. The brain also has the ability to squirt some sort of liquid at SpongeBob.
SpongeBob learns the history of boating by literally putting his notes about it into his head, where it falls onto his brain.
While SpongeBob is wearing headphones, Patrick pulls on them, accidentally ripping off the top of his head and revealing his brain.
SpongeBob claims to have music on his mind, and he takes his brain out of his head. It is literally playing music like a radio, and it even has a radio dial that SpongeBob uses to change the song.
When SpongeBob takes a shower, he uses soap to clean his brain.
Plankton again goes inside SpongeBob, hoping to get the Krabby Patty secret formula from his brain.
In this episode, Mr. Krabs suggests that SpongeBob keep his brain peeled. SpongeBob reacts by literally peeling the top of head to reveal his brain.
When Mr. Krabs says that he and SpongeBob will give Plankton a piece of their minds, SpongeBob literally tears a piece off of his head to reveal his brain.
When Squidward tries to make SpongeBob cry, the inside of SpongeBob's brain is shown. The brain apparently has a large dam built inside it. SpongeBob's tears cause it to collapse and the tears overflow the city of Bikini Bottom, being a metaphor for SpongeBob being no longer able to hold in the tears.
When Sandy was telling SpongeBob that he had an ear worm in his head, the brain is shown. Additionally, the brain is blue instead of pink in this appearance.
Sandy uses an X-ray to display SpongeBob's brain along with his heart, citing his brain's small size as part of the reason why Jerktonium doesn't work on him.
SpongeBob's brain is shown to have drawers resembling those in a filing cabinet, and SpongeBob reaches inside his head and looks through them to try to learn what a customer's order means.
When SpongeBob is unemployed, he both figuratively and literally starts to fall apart, and his brain falls out of his head.
When Squidward pretends to be a Yeti Crab in addition to the real Yeti Crab, SpongeBob's brain is shown bursting due to his horror.
Plankton once again goes inside of it, and it once again is dark pink and smaller. Inside the brain is a gigantic space with SpongeBob's extremely happy thoughts, including the popsicle twins. This huge amount of happiness drives Plankton insane.
This episode revolves around SpongeBob's and Patrick's brains. They both use their own brains as Whirly Brains, an invention where one's own brain can fly and be controlled in the same way that a normal person would to a remote-control helicopter.
After Patrick walks over SpongeBob and splits him in half, SpongeBob's brain can be seen inside of him.
SpongeBob pulls out his brain during the episode and mixes it around. When he puts his brain back in his head, he starts laughing like a crazed maniac and drives his boat in a dangerous manner.
The Flying Dutchman goes inside it to find a world of colorful happiness, similar to the second movie's version. The interior of the brain drives the Dutchman insane.
It appears when SpongeBob starts doing a trance.
SpongeBob pokes his brain out of his head when he is telling Patrick that a library is a playground for your mind.
After being called an idiot by Helen the Felon, SpongeBob splits apart in shame, revealing a very tiny brain.
SpongeBob's brain appears when he is telling Mr. Krabs that he has the heart of a child.
When SpongeBob enters the Empty Head Society, he removes his brain by detaching it from its stem. This causes him to act similarly to the other members of the society, but he still retains some of his intelligence because his stem is intact. He tries to water his brain stem, but this causes it to burn out. SpongeBob remains without his brain until Patrick brings it back to him. His brain is shaped like a cube throughout this episode.
After being outsmarted by Louie and kicked out of the lighthouse, SpongeBob makes a comment about his "superior sponge brain." SpongeBob's brain is shown dancing before a gust of wind knocks it over.
Role in video games
It is seen to get SpongeBob's eyeballs in the right place.
SpongeBob mentions that his brain needed a rest.
SpongeBob's brain reappears in the second level referencing the episode "Scaredy Pants."
SpongeBob's brain reappears in the level "Hypnotic Highway," referencing the episode "Scaredy Pants."
His brain can also area to build a roller coaster alongside with the Flying Dutchman's ship.
SpongeBob mentions that his brain is firing something.
His brain appears as a level to get the last page of the Magic Book.