Mermaid Man and Barnacle Boy / Pickles - S1-E6
Audio problem: When Bubble Bass runs out of the Krusty Krab he is gasping and panting, but his mouth stays closed, his mouth doesn't even open a centimeter.
Your Shoe's Untied / Squid's Day Off - S2-E2
Continuity mistake: Spongebob says, "We forgot to change the close sign to open," yet when Squidward walks out throughout the episode there is no sign at all.
The Snowball Effect / One Krabs Trash - S3-E3
Continuity mistake: In the scene where, Squidward accidentally squirts lemon juice in his eye it goes in his right eye but he squints with his left eye.
Suggested correction: In "The Snowball Effect", Squidward squirts the lemon wedge's juice into his left eye and he closes his left eye. There is no continuity error.
Continuity mistake: When Tom and Fred are outside the Krusty Krab, Tom is light green, but later in this episode he is dark green. For more info on Tom: http://en.spongepedia.bimserver.com/index.php?title=Tom For info on Fred: http://en.spongepedia.bimserver.com/index.php?title=Fred.
Mermaid Man and Barnacle Boy / Pickles - S1-E6
Continuity mistake: At the beginning of "Mermaid Man and Barnacle Boy", when SpongeBob and Patrick are watching TV viewing Mermaid Man and Barnacle Boy show, you can see that these heroes have 5 fingers on their hands, as the real human beings. However, when SpongeBob and Patrick meet these heroes, as in the rest of the show, you can see that now, the heroes, have 4 fingers on their hands, as cartoon characters usually have.
Wet Painters / Krusty Krab Training Video - S3-E9
Audio problem: When Mr. Krabs comes back to his house, he eventually encounters a stack of 11-12? pictures, but we only hear him take 5 or so before he runs into Spongebob.
Sandy's Rocket / Squeaky Boots - S1-E8
Factual error: Sandy's dome is both airtight and watertight to keep any water out of the dome and any air inside the dome. When the rocket, positioned outside of the dome, begins to launch, smoke is coming inside the dome. This shouldn't be able to happen if the dome is airtight and watertight.
Hall Monitor / Jellyfish Jam - S1-E7
Continuity mistake: In episode 1-7, Hall Monitor, Patrick says Spongebob is at the intersection of Conch and Coral, and we then see the street sign. However when we see Spongebob standing on the road, there is only one road, and no intersection.
Nasty Patty / The Idiot Box - S3-E4
Audio problem: When SpongeBob and Patrick give Squidward the T.V, Squid's mouth doesn't move when he says "Oh boy, oh boy, oh boy!"
SpongeBob's House Party (aka Party Pooper Pants) - S3-E10
Continuity mistake: Patchy's hook hand disappears when he is playing the accordian.
Nasty Patty / The Idiot Box - S3-E4
Continuity mistake: In "Nasty Patty," just before Spongebob goes around the back of the Krusty Krab, the sign is on the right and it is electric. In every other episode, it is painted and on the left.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: When SpongeBob runs to help Gary in the race, Patrick's "snail" has disappeared.
SB-129 / Karate Choppers - S1-E14
Continuity mistake: When Squidward is in the white place and crashes through the floor, he doesn't have his clarinet before he crashes through the floor. But when he is in the time machine, he has his clarinet.
Jellyfishing / Plankton! - S1-E3
Continuity mistake: In "Plankton", when Plankton says tomorrow is his birthday, he is near Spongebob's thumb. When the camera zooms in on Plankton, he is instantly in the middle of Spongebob's hand.
Jellyfishing / Plankton! - S1-E3
Continuity mistake: At the beginning of Plankton., Plankton is very small. Later in the episode, as in the rest of the show, he's bigger and not that small.
Your Shoe's Untied / Squid's Day Off - S2-E2
Continuity mistake: When SpongeBob is sad because he can't tie his shoes, you see is night. When Gary ties his shoes, suddenly it becomes day.
The Chaperone / Employee of the Month - S1-E12
Continuity mistake: When Spongebob, in his black suit and long legs, is at the door of Mr Krabs', he used a lever to lower himself down. When we cut back to Spongebob, it's gone.
Mermaid Man and Barnacle Boy III / Squirrel Jokes - S2-E4
Continuity mistake: In "Squirrel Jokes", SpongeBob wants to make a joke about a fork. Someone screams "Forks?" and SpongeBob becomes more nervous. After that, the fork disappears from where it was.
Your Shoe's Untied / Squid's Day Off - S2-E2
Continuity mistake: In "Squid's Day Off", sometimes Squidward's house door opens to the left, and sometimes opens to the right.
The Bully / Just One Bite - S2-E17
Continuity mistake: In "Just One Bite," when everyone says "The only people who don't like Krabby Patties have never tasted one," the kitchen doesn't have a back door. After Squidward says "I gotta have more," he looks in from the back door.