SpongeBob SquarePants: Season 4
SpongeBob SquarePants Season 4 continues the overarching saga across 40 episodes.
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Picks up essential narrative continuity directly following the events of SpongeBob SquarePants Season 3.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Season overview
SpongeBob SquarePants Season 4 continues the overarching saga across 40 episodes.
Episode Guide
Season 4 Progress Shield
Fear of a Krabby Patty
May 6, 2005
Plankton unleashes a new plan; to get the Krusty Krab to work 24 hours. SpongeBob thinks this is a dream, until he thinks he is being chased by killer Krabby Patties.
Shell of a Man
May 6, 2005
Mr. Krabs is going to a naval reunion, but molts (leaves his shell) before he goes. He asks SpongeBob to go in his shell and imitate him for the reunion.
The Lost Mattress
May 13, 2005
Mr. Krabs complains that his back hurts, so SpongeBob and Patrick buy a new mattress and Squidward tries to take credit for it. They give the new mattress to Mr. Krabs, but Mr. Kra
Krabs vs. Plankton
May 13, 2005
Plankton tries to steal the formula, but slips and sues Mr. Krabs. Mr. Krabs hires a lawyer, but his lawyer slips and is hurt, so SpongeBob must try to help Mr. Krabs win the case
Skill Crane
May 20, 2005
Mr. Krabs gets a new toy vender by the name of "Skill Crane." At first, Squidward doesn't like it, but when Mr. Krabs lets him and SpongeBob give it a try, Squidward becomes obsess
Good Neighbors
May 20, 2005
It's Sunday and Squidward just wants to relax. But when SpongeBob and Patrick elect him as Good Neighbor President, they won't leave him alone.
Selling Out
Sep 23, 2005
Mr. Krabs sells the Krusty Krab to a conglomerate that plans to turn it into a big corporate chain.
Funny Pants
Sep 30, 2005
Squidward fools SpongeBob into thinking that he has a laughter-related illness and convinces SpongeBob that if he laughs one more time in the next 24 hours, his laugh box could exp
Mermaid Man & Barnacle Boy VI - The Motion Picture
Oct 7, 2005
The adventures of Mermaid Man and Barnacle Boy are being told in a thrilling new motion picture. But after SpongeBob learns the heroes will be played by young actors, he sets out t
Enemy In-Law
Oct 14, 2005
Mr. Krabs' mom is dating again, and it seems like things could be serious. Krabs tries to be happy for his mother, but he is absolutely horrified when he learns that the secret par
Patrick SmartPants
Oct 21, 2005
After Patrick accidentally falls off a cliff while jellyfishing, he wakes up with superior intellect.
SquidBob TentaclePants
Nov 4, 2005
Sandy's experimental teleportation device malfunctions, melding SpongeBob and Squidward into one body.
Have You Seen This Snail?
Nov 11, 2005
While trying to beat a paddle-ball world record, SpongeBob forgets to feed Gary -- for 10 days. Gary runs away to downtown Bikini Bottom where he is taken in by a kindly old woman
Dunces and Dragons
Feb 20, 2006
After a freak jousting accident at a Medieval Times-style restaurant, SpongeBob and Patrick are transported to a medieval version of Bikini Bottom. There they are mistaken for grea
Krusty Towers
Apr 1, 2006
After Mr. Krab's gets a huge hotel bill he decides that he can make a profit from opening his own. When Patrick decides to visit the hotel Mr. Krabs demands Squidward to never deny
Mrs. Puff, You're Fired
Apr 1, 2006
Mrs. Puff gets fired from her boating school job due to her lack of passing Spongebob. Instead, a more-intense new instructor takes her place.
Chimps Ahoy
May 5, 2006
The Chimpanzee beneficiaries of Sandy's undersea treedome are paying a visit to see what progress she has made with her inventions. But Sandy doesn't think any of her work will sat
Ghost Host
May 5, 2006
The Flying Dutchman takes up residence at SpongeBob's house where he proceeds to scare, startle and surprise SpongeBob around the clock. Eventually all the spooky shenanigans grow
Whale of a Birthday
May 12, 2006
Mr. Krabs wants to give his daughter Pearl the best birthday ever. While he works on the party, SpongeBob is assigned the task of figuring out what Pearl would like for a present.
Karate Island
May 12, 2006
SpongeBob receives an invitation to take part in a competition on mysterious Karate Island for the chance to be crowned "King of Karate." SpongeBob and Sandy arrive at Karate Islan
All That Glitters
Jun 2, 2006
When a customer orders the one thing that no one has ordered for years, the monster krabby patty, SpongeBob tries to lift it, but old Spat cracks in two. So he sells every single t
Wishing You Well
Jun 2, 2006
Mr. Krabs makes SpongeBob go down the new wishing well after experiencing one for himself, and Patrick and Squidward accidentally join in. So, will they be able to get out and watc
New Leaf
Sep 22, 2006
In the battle for fast food supremacy, Plankton has decided to throw in the towel and start a new business selling trinkets and souvenir gifts. He even renames his store from The C
Once Bitten
Sep 29, 2006
Gary starts biting everyone in town, starting with Squidward. When Squid asks if Gary has been up-to-date on all of his snail shots, SpongeBob reveals that he's never done any of t
Squidtastic Voyage
Oct 6, 2006
While Squidward is playing the clarinet, he accidentally swallows the reed. SpongeBob and Patrick take a microscopic submarine to try to retrieve it from inside Squidward.
Bummer Vacation
Oct 13, 2006
Mr. Krabs forces SpongeBob to take a vacation, but he doesn't know how. Meanwhile, Patrick takes SpongeBob's place as fry cook.
Best Day Ever
Nov 10, 2006
SpongeBob is going to have the best day ever. But when work, karate, jellyfishing and Squidward's clarinet recital don't go as planned will his day be ruined?
Wigstruck
Nov 17, 2006
SpongeBob finds an old-time wig and starts wearing it everywhere he goes.
That's No Lady
Nov 25, 2006
A misunderstanding over a vacation getaway advertisement causes Patrick to think he must "get out of town" or face dire consequences. SpongeBob can't bear the thought of his best b
The Thing
Jan 15, 2007
After being covered in cement, the Bikini Bottomites are convinced that Squidward is an unknown species and SpongeBob tries to keep him as a pet.
Hocus Pocus
Jan 15, 2007
SpongeBob tries out his new magic kit on Squidward and is convinced he's turned his neighbor into an ice cream cone!
Driven to Tears
Feb 19, 2007
For the 58th time in a row, SpongeBob has failed his driving test, so Patrick takes a test and passes. But SpongeBob is angry that he did.
Rule of Dumb
Feb 19, 2007
Patrick's ancestors were adlings, so Patrick is the legal king of Bikini Bottom and now he reigns/misrules Bikini Bottom.
The Pink Purloiner
Feb 19, 2007
Patrick is jealous of SpongeBob's jellyfish net. When SpongeBob finds out that it's been stolen, he suspects Patrick is the culprit.
The Gift of Gum
Feb 19, 2007
It's Best Friends Day, so Patrick and SpongeBob trade presents.
Rise and Shine
Feb 19, 2007
Take a look inside Patrick Star's rock, where we see that his morning routine is anything but ordinary.
Waiting
Feb 19, 2007
After SpongeBob discovers that his breakfast cereal has an offer for a free toy, he mails his requests. But now the hardest part is upon him: waiting for the toy to arrive.
Sing a Song of Patrick
Feb 19, 2007
After Patrick writes a song, SpongeBob helps him try to get it played on the radio.
Born to Be Wild
Mar 31, 2007
When SpongeBob hears that a ferocious biker gang is coming to town, SpongeBob dons his leather jacket, warms up his bike, and prepares to protect the town all by himself.
Best Frenemies
Mar 31, 2007
A new Kelp Smoothie chain is opening up all over Bikini Bottom. The chain's smoothies are so delicious that soon everyone in town can be seen drinking one. But now that customers a