Naughty Nautical Neighbors (S01E04a)
After drinking a huge amount of soda, both SpongeBob and Patrick become bloated. After they start laughing, multiple bubbles escape from their bodies, returning them to normal and destroying Squidward's house in the process.
Pizza Delivery (S01E05a)
While SpongeBob does a inspection of the boat, he checks the tire pressure. He removes a part on the hubcap and puts his mouth in the hole, causing him to inflate like a balloon to an enormous size with a high-pitched voice and then lets out the air he sucked in.
Home Sweet Pineapple (S01E05b)
Spongebob swells up from Patrick's excessive drool.
Nature Pants (S01E09a)
A fireman tries to put out a fire with a hose, but all the water ends up going into SpongeBob instead, causing him to extinguish it instead. The heat shrinks him down and dries him up afterwards.
Culture Shock (S01E10a)
When the actors prepare for the show, SpongeBob shows Squidward his act called "The Amazing Mr. Absorbency". SpongeBob sticks in his finger and his finger swells from the absorbing. SpongeBob makes the absorbency go to different parts of himself, and his act ends.
MuscleBob BuffPants (S01E11a)
SpongeBob, who has been entered into the anchor toss competition, tries to lift the anchor with his Anchor Arms, which are inflatable muscles, but cannot do it as the air from them starts going through different parts of his body.
Squidward the Unfriendly Ghost (S01E11b)
Patrick tries to resuscitate a sculpture of Squidward, after him and SpongeBob damage it and believe that it is the real Squidward. However, this results in him inflating.
I Was a Teenage Gary (S01E13b)
Squidward expands for a brief second when swallowing all of Gary's food.
Sleepy Time (S01E15a)
SpongeBob inflates himself in order to get inside Squidward's dream.
Patrick tries to help SpongeBob's case of the suds by plugging up all of his holes so he can no longer sneeze bubbles. However, this causes him to grow bigger everytime he sneezes, eventually expanding into the shape of a ball.
Your Shoe's Untied (S02E01a)
When trying to deliver Krabby Patties to Squidward, SpongeBob repeatedly trips over his untied shoes, propelling them into his mouth instead, angering the customers. SpongeBob later cries over this, and soaks up all his tears.
SpongeBob blows into a balloon, then has the air goes into his body.
Patty Hype (S02E05b)
Patrick climbs into SpongeBob, and SpongeBob then expands for a few seconds due to Patrick's inflatable pants.
Survival of the Idiots (S02E09a)
SpongeBob and Patrick sneak into Sandy's treedome during her hibernation, where they notice that she has grown fat from eating so many acorns before said hibernation.
Squirrel Jokes (S02E11b)
SpongeBob is inflated by Sandy's water hose due to her mental breakdown because of his jokes towards squirrels.
In this episode's first airing, Nickelodeon held a poll and let viewers choose one definite ending to the episode out of three; either Patrick, Squidward, or SpongeBob would get the last wish. SpongeBob's ending won and is now the main ending featured on DVD and in reruns of the episode, although the alternate endings were later released on DVD.
Patrick and Squidward's endings both result in the three getting eaten by the Flying Dutchman.
Gary Takes a Bath (S02E13b)
In his most aggressive attempt to get Gary to take a bath, SpongeBob soaks up all the water in the bathtub and repeatedly shoots large bursts of it, all of which Gary dodges.
Graveyard Shift (S02E16a)
Spongebob inhales air after embracing his fear of going outside in the spooky nighttime.
The Algae's Always Greener (S03E01a)
Plankton swells up from Pearl's tears.
SpongeGuard on Duty (S03E01b)
In an attempt to save Patrick from drowning, SpongeBob tries drinking all of the water on the beach. This proves unsuccessful, as in the process he also swallowed Patrick.
My Pretty Seahorse (S03E02b)
SpongeBob's seahorse, Mystery, eats a number of things, including Old Man Jenkins.
Just One Bite (S03E03b)
SpongeBob keeps pestering Squidward try to a Krabby Patty, which he never has. Squidward is so starstruck when he does that he says he loathes it. But when a perfectly round fish is too full and throws his away, Squidward tries to eat it out of the garbage. By the end of the episode, he has broken into the Patty Vault and eaten an enormous amount of Krabby Patties. He then proceeds to explode.
Nasty Patty (S03E04a)
The Health Inspector is given "one of everything" on the menu. When he is done eating, he is shown to be stuffed.
Mermaid Man and Barnacle Boy IV (S03E05a)
SpongeBob expands for a second when the shrunken residents of Bikini Bottom are rioting in his body.
Can You Spare a Dime? (S03E07b)
SpongeBob absorbs all of Squidward's tears after Squidward quits the Krusty Krab due to an argument with Mr. Krabs about his First Dime.
When the three discover fire they go into a frenzy and end up cooking and eating everything in sight with sticks.
Mid-Life Crustacean (S03E15b)
For a brief moment, after Mr. Krabs tells SpongeBob and Patrick if they are hanging out, Patrick is seen with a bloated belly.
Have You Seen This Snail? (S04E03)
An old lady takes Gary in after he runs away, and it is later shown that he has gained weight from all the food the old lady has made for him.
Skill Crane (S04E04a)
Mr. Krabs hides inside SpongeBob when he thinks a tax collector is at the Krusty Krab.
Squidtastic Voyage (S04E15a)
After SpongeBob and Patrick, inside of Squidward's body, free the clarinet reed from his throat, Patrick, misunderstanding Squidward, presses the "Grow" button on their submarine, causing the submarine to grow inside him.
The Gift of Gum (S04E20b)
After the mess that SpongeBob and friends have made in the neighborhood trying to get rid of Gummy, Patrick cleans it up easily--by eating it. He then immediately hiccups Gummy out into a giant bubble.
Fungus Among Us (S05E03c)
Due to an unfortunate "ick" that Gary tries to eat, Spongebob ends up being large and slimy while in a protection bubble.
The Krusty Sponge (S05E09a)
The Krusty Krab's new "Spongy Patties" cause everyone who eats them to turn yellow with green spots, similar to SpongeBob himself, and get swollen bellies.
Pat No Pay (S05E13b)
Patrick becomes very fat from eating a lot of Krabby Patties.
The Inmates of Summer (S05E15a)
SpongeBob and Patrick are placed in a narrow hole filled with chum for three days. After they finally get out, it is revealed that they had eaten all the chum.
20,000 Patties Under the Sea (S05E17a)
A sea monster becomes stuffed after eating a lot of Spongebob and Patrick's chum burgers.
What Ever Happened to SpongeBob? (S05E18)
Sandy and Patrick go into SpongeBob's house and find that Gary has grown huge from eating a year's supply of snail food in about a day.
Banned in Bikini Bottom (S05E20a)
Spongebob inflates himself as he is about to sing his next verse in a song about Krabby Patties, knocking Squidward's cup house (and Squidward) down.
House Fancy (S06E01a)
After SpongeBob is tasked by Squidward to paint over a faded spot in the wall, SpongeBob instead absorbs all the paint and paints the whole wall, stating that all of it looked faded.
Suction Cup Symphony (S06E03b)
Patrick is inflated by SpongeBob with a blood pressure pump twice. The first time when SpongeBob was being Patrick's doctor. The second time was during Squidward's symphony when he wrote it into the sheet music.
The Krabby Kronicle (S06E09b)
SpongeBob absorbs Mr. Krabs' tears of joy.
The Slumber Party (S06E10a)
SpongeBob absorbs the root beer, causing Pearl and her friends to think he's a zombie. He then shoots the root beer everywhere, flooding Mr. Krabs' house.
Dear Vikings (S06E15a)
SpongeBob blocks up a hole in a Viking ship to save it from capsizing.
Patrick drinks all of SpongeBob's water in the fridge.
Truth or Square (S06E23-24)
SpongeBob soaks up the water in the bathtub.
Growth Spout (S07E02a)
Pearl's got a huge appetite by having a growth spurts.
Greasy Buffoons (S07E04a)
Patrick is shown to have become fat from eating excessive grease.
Later, after Mr. Krabs and Plankton's battle over greasy foods at their restaurants results in a mess of grease outside, Krabs wakes up to find SpongeBob has cleaned the area by soaking up all the grease.
Keep Bikini Bottom Beautiful (S07E05a)
SpongeBob deals with the garbage at the bottom of Squidward's house by absorbing it.
Squidward in Clarinetland (S07E07b)
SpongeBob cleans a locker Mr. Krabs brings in for him and Squidward to store their belongings by absorbing water in a bucket, then removing his face to let the water leak out.
The Bad Guy Club for Villians (S07E09b)
This version of the Elastic Waistband can inflate himself when he opens his belt.
Karate Star (S07E18b)
When Patrick finds out he can't pay for the ludicrously high stack of ice cream scoops with an old lollipop he karate chops the counter in anger, this causing a series of chain events in which the ice cream falls and is caught in Patrick's mouth who then proceeds to eat all of it, causing him to gain weight and get cold enough to be encased in ice which he chops his way out of, and as he leaves he's forced to chop the doorframe as his now large belly can't fit through.
Whelk Attack (S07E22b)
When giant whelks rampage on Bikini Bottom, Sandy discovers that they are just sick. SpongeBob helps them by absorbing all their snot, curing them.
The Other Patty (S08E01b)
A customer at the Krusty Krab is full after eating Krabby Patties whole.
A SquarePants Family Vacation (S08E07)
SpongeBob eats a poison berry that causes him to swell up like a blueberry and become purple.
Mr. Krabs Takes a Vacation (S08E09b)
SpongeBob absorbs all of the water coming from Mr. Krabs' tears.
Bubble Troubles (S08E14a)
Sandy runs out of air and has to resort to using air from Pearl's blowhole to stay alive.
The Krabby Patty That Ate Bikini Bottom (S08E15a)
Spongebob foils a gigantic krabby patties attack by absorbing its meat.
Bubble Buddy Returns (S08E15b)
After trying to rescue Shiny by going through the Bikini Bottom Pin Factory, SpongeBob pulls a pin from his nose that causes him to deflate. He puts his thumb in his mouth and inflates himself briefly to bring himself back to normal.
For Here or To Go (S08E22b)
Plankton wins a free Krabby Patty after he correctly answers in a guessing game, but has to eat the whole thing inside the restaurant before he can leave.
Super Evil Aquatic Villain Team Up is Go! (S08E24b)
Man-Ray gets fat from eating too many Krabby Patties.
Yeti Krabs (S09E10b)
SpongeBob soaks up a bucket of water in order to clean Mr. Krabs' boat.
What's Eating Patrick? (S09E15b)
During an eating contest, Larry the Lobster gains weight from stuffing himself with Krabby Patties, causing his shell to open up.
Larry's Gym (S09E17b)
There's a shot of the Bikini Bottomites being overweight.
Later, Larry gains a pot belly due to not working out at his Gym.
The Fish Bowl (S09E18a)
Sandy, SpongeBob, and Patrick get potbellies after eating a lot of ice cream.
Food Con Castaways (S09E24a)
Patrick is shown having eaten all the Krabby Patty samples meant for Food Con after a crash, resulting in one big belly.