No Free Rides / I'm Your Biggest Fanatic - S2-E10
Continuity mistake: When Spongebob writes an essay, at first he's in the middle seat on the front row, but after he gets his pen, he sits down at the desk to the very right.
Suggested correction: No, he is sitting in the middle the whole time.
Something Smells / Bossy Boots - S2-E1
Continuity mistake: When SpongeBob shows Patrick his sundae Patrick's eyebrows burn. In the very next shot, they're back.
Procrastination / I'm With Stupid - S2-E19
Continuity mistake: The essay is titled "What not to do at a stoplight", then later when that same essay is seen again now the title reads, "What not to do at a spotlight".
Grandma's Kisses / Squidville - S2-E9
Continuity mistake: In Squidville, when Spongebob and Patrick are using their reefblowers, Squidward changes from his dancing clothes into normal clothes in the next 2-4 shots when he is digging out of his house.
Mermaid Man and Barnacle Boy III / Squirrel Jokes - S2-E4
Continuity mistake: When Patrick is struggling to carry a heavy box, he drops it a number of times on Man-ray's foot. The camera cuts away, then back to Patrick and Man-ray, and the box has disappeared.
Continuity mistake: When Spongebob is trying to get Squidward to write a letter outside, at the first shot of Spongebob, he's standing straight on the wood step thing, but the next shot he's facing to the side.
Continuity mistake: The picture that Squidward takes of Spongebob is different than what Spongebob is doing when he takes it.
Big Pink Loser / Bubble Buddy - S2-E3
Continuity mistake: At the beginning of "Big Pink Loser", Patrick's rock is brown. When Spongebob and Patrick run with each other, out of the Krusty Krab, Spongebob runs into Patrick's rock, painted like Spongebob's pineapple house, yet when Patrick said "I'm going to defend my title" or something like that, the rock is brown. The rock can't possibly paint itself.
Mermaid Man and Barnacle Boy III / Squirrel Jokes - S2-E4
Continuity mistake: In "Squirrel Jokes" when Spongebob drops his mic on the stage and he goes behind the curtain, the mic disappears soon afterward.
You Wish ('Shanghaied') / Gary Takes A Bath - S2-E11
Continuity mistake: When Spongebob is talking about treasure to Gary, behind him is a door. If you look closely you can see a TV in the room, but when Spongebob and Gary enter the TV is replaced by a door.
Sailor Mouth / Artist Unknown - S2-E15
Continuity mistake: "In Artist Unknown", when Spongebob creates the statue, the right arm of it is tucked behind it's back and the left arm is bent with the hand resting on the chin. When the art collector jumps onto the head to remove the nose Squidward placed on it, the arms are switched so that the left arm is behind and the right hand is up on the chin. Then, when the art collector carries the statue out, the arms are back in their original positions.
Something Smells / Bossy Boots - S2-E1
Continuity mistake: In Something Smells, when Spongebob jumps on the car and says "am I ugly" you see the guy holding on and he is sitting on the left side of the car, but the next shot of him, he is holding on and now on the right side of the car.
Continuity mistake: When Patrick is dressed as food for the "monster" in "Wormy," when the butterfly is on P,atrick's butt he spits out the apple in his mouth and it floats to the top of the water helmet. But when the butterfly is on his helmet, the apple is gone.
Grandma's Kisses / Squidville - S2-E9
Continuity mistake: When Spongebob stops crying, his grandma pulls a plug out of the floor to drain the water, but in a later shot through a window, the plug and hole are gone.
Your Shoe's Untied / Squid's Day Off - S2-E2
Continuity mistake: In "Your Shoes Untied", when he is in the Krusty Krab kitchen. In between shots when Squidward keeps asking Spongebob to give him the Krabby Patty, the patties on the grill disappear and reappear between shots.
Mermaid Man and Barnacle Boy III / Squirrel Jokes - S2-E4
Continuity mistake: Before he comes on his second act, there is a front shot of the crowd, you see a guy in the front with his hands up, but in the next shot, which is of his back, his hands are down.
Sandy, SpongeBob and the Worm / Squid on Strike - S2-E18
Continuity mistake: In Spongebob, Sandy and the Worm, when Sandy ties the worm's tongue in a knot and they run from the worm, the worm opens it's mouth but you don't see the tongue tied in a knot.
Grandma's Kisses / Squidville - S2-E9
Continuity mistake: Spongebob's watch appears and disappears between shots.
Your Shoe's Untied / Squid's Day Off - S2-E2
Continuity mistake: At the beginning of "Squid's Day Off", There is a tiny bell painted gold sitting on the opening between the kitchen and restaurant. When the shot changes, the bell disappears, then reappears when the shot changes again.
Pre-Hibernation Week / Life of Crime - S2-E13
Continuity mistake: When his pants fall off when he's trying to hide, his pants are hooked to the plant by the brown part of his pants, but when Sandy comes looking and she sees his pants on the plant, they're hooked by the white part.