Club SpongeBob / My Pretty Seahorse - S3-E12
Continuity mistake: My Pretty Seahorse: After Krabs tells SpongeBob the restaurant is not a place for a live horse, when SpongeBob walks out with the seahorse the swinging door to the Krusty Krab's kitchen opens in the opposite direction than previous shots.
Club SpongeBob / My Pretty Seahorse - S3-E12
Continuity mistake: In "My Pretty Seahorse", Spongebob is walking outside with Mystery and a customer with a drink and a plate is watching him go by. In the next shot, Squidward places a bowl of onions underneath his face, and his plate and drink have disappeared.
Club SpongeBob / My Pretty Seahorse - S3-E12
Continuity mistake: In "My Pretty Seahorse", Squidward finds a bowl of onions right under his nose on the counter. In a few shots, from behind Mr. Krabs, the onions have disappeared.
Club SpongeBob / My Pretty Seahorse - S3-E12
Continuity mistake: In "My Pretty Seahorse", Spongebob is using a spatula with slots in it. Later, when Mystery eats it, the spatula is now completely flat.
Club SpongeBob / My Pretty Seahorse - S3-E12
Continuity mistake: In "My Pretty Seahorse", Spongebob places a tray of Krabby Patties on the counter, which Mystery promptly eats, leaving an empty tray. In a few shots, the tray has disappeared from the counter.
Club SpongeBob / My Pretty Seahorse - S3-E12
Continuity mistake: In "My Pretty Seahorse", Spongebob is watching Mystery from behind a rock, as she eats flowers. She eats a flower right next to an uneaten one. Later, she eats the previously uneaten flower. In the next shot, the flower has now regenerated and Mystery eats it again.
The Graveyard Shift / Krusty Love - S3-E13
Continuity mistake: In "The Graveyard shift", Squidward begins to count the signals that means the ghost will appear. "First the lights, then the phone.", and a green slime appears in the wall. Squidward says "Oh, wait, they always do that, but what was the third thing?", and the bus appears at the front of the Krusty Krab. SpongeBob says, "I didn't know the bus comes here at this hour", and look at the wall: the green slime has disappeared.
The Graveyard Shift / Krusty Love - S3-E13
Continuity mistake: When Squidward sees the "ghost", he gets so frightened that hair comes out of his head and his job's hat falls off. In the very next shot, the hair is gone, and the hat is there again.
The Graveyard Shift / Krusty Love - S3-E13
Continuity mistake: In "Graveyard Shift," when Squidward says to that guy they think is the hash-slinging slasher, "If that was you on the phone and you on the bus, then who was flickering the lights?" look at the "order here" sign. It says "order hear" instead of "order here," which it reads in previous shots during this episode.
The Graveyard Shift / Krusty Love - S3-E13
Continuity mistake: When SpongeBob is cleaning the roof, you can see that there isn't nothing up there. The very next shot shows a closer view to SpongeBob and we can see that is a bucket there. That wasn't there before.
The Graveyard Shift / Krusty Love - S3-E13
Continuity mistake: In 'The Graveyard Shift' Squidward explains that there are three signs concerning the arrival of the Hash-Slinging Slasher. He then holds up three hands. In the next shot, he is only holding up one hand.
The Graveyard Shift / Krusty Love - S3-E13
Continuity mistake: Graveyard Shift - Sometimes the kitchen walls are light green, and sometimes they are dark green.
New Student Starfish / Clams - S3-E14
Continuity mistake: New Student Starfish: Spongebob shows Patrick the Good Noodles board when they enter the classroom. Then when Patrick is trying to tell the class his name, the number of stars on it change, and the name "Rich" appears on it, which wasn't there before. Later on, when Spongebob and Patrick are in detention, the names on the board are completely different in some shots. (00:02:48 - 00:11:24)
New Student Starfish / Clams - S3-E14
Continuity mistake: In the episode New Student Starfish., SpongeBob's good noodle stars changes number throughout the episode.
New Student Starfish / Clams - S3-E14
Continuity mistake: When SpongeBob and Patrick arrive to the class, SpongeBob writes Patrick's name in the board. Notice that he writes it in capital letters: "PATRICK". After, when Patrick is asked to say his name to the class, and he becomes nervous, look at the board, at Patrick's name: now isn't in capital letters, is normal: "Patrick".
New Student Starfish / Clams - S3-E14
Continuity mistake: When Spongebob shows Patrick the good noodles chart all the stars are wildly scattered in each row. When Patrick is trying to announce his name to the class they're all in a neat row. When Mrs. Puff is removing the star from Spongebob's row they're scattered again.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: When Gary explodes or breaks down (or something like that), Snellie, Squidward's snail, rushes over to Gary. At first you see the track but the next shot (really quick) you don't see it.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: When Gary was spinning out of control, there were at least 5 lanes on the track but before there were only 3.
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.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: Gary crashes to a tire. After a while you see the tire is gone. Also, Gary stayed in the right of the track, crashed, but when SpongeBob helps him, Gary is in the middle of the track.