SpongeBob's House Party (aka Party Pooper Pants) - S3-E10
Other mistake: When Patchy pops Minnie Mermaid's pool, water comes out from a different place.
No Weenies Allowed / Squilliam Returns - S3-E6
Continuity mistake: In "Squilliam Returns", the world's smallest violin changes position between shots.
Grandma's Kisses / Squidville - S2-E9
Continuity mistake: When Patrick is asleep,after several scenes SpongeBob begins to cry,his Grand-mom calms him down and unplugs a plug,but Patrick is nowhere to be seen.
Jellyfishing / Plankton! - S1-E3
Audio problem: In "Jellyfishing", in the beginning, when Squidward walks out of his house with his bike, Spongebob says "Hey, Squidward" but his mouth is saying something different.
Suggested correction: No, it isn't. It says the exact line.
As Seen on TV / Can You Spare a Dime? - S3-E5
Continuity mistake: In "As Seen On T.V", the hat on Mr. Krabs's desk has 2 lines on the anchor instead of 1.
Sailor Mouth / Artist Unknown - S2-E15
Continuity mistake: In "Sailor Mouth" when Spongebob starts cussing in the Krusty Krab, a sailor and a pirate make a comment, but when everyone leaves the Krusty Krab, the sailor and pirate are nowhere to be seen.
Best Day Ever/The Gift of Gum - S4-E20
Character mistake: SpongeBob tries to steal the gum off his door at night. The next day, SpongeBob says that it was still Best Friends Day, so he would give Patrick his gum back. Really, it should have been the next day.
20,000 Patties Under the Sea/The Battle of Bikini Bottom - S5-E17
Continuity mistake: In one scene where Spongebob is breathing in air, you can see the container to the right is yellow, but in the scene where he's dancing around the kitchen, it turns white.
Hooky / Mermaid Man and Barnacle Boy II - S1-E20
Continuity mistake: In the beginning of Hooky, there are about three boats with 3 fisherman in each. That means there would be 9, but later there are dozens.
Help Wanted / Reef Blowers / Tea at the Treedome - S1-E2
Revealing mistake: When Spongebob uses his binoculars, his teeth turn yellow for one frame.
Revealing mistake: In "Patrick! The Game," when Squidward holds out the notepad, it's obviously written on. Just when the bubble transition comes, the notepad and all the other papers on the floor clear themselves.
Your Shoe's Untied / Squid's Day Off - S2-E2
Character mistake: In "Squid's Day Off", a wide shot shows Mr. Krabs exiting the hospital, except the building says" ENEREENCY" instead of "EMERGENCY."
Help Wanted / Reef Blowers / Tea at the Treedome - S1-E2
Continuity mistake: In "Help Wanted", the last time SpongeBob says "I'm ready!", his collar turns red.
Spongebob's Last Stand - S7-E22
Character mistake: Near the end of the episode, the main characters are being introduced by SpongeBob; one of those characters is Sandy Cheeks, the name she has had for the entire show. However, SpongeBob addresses her as "Sandy Squirrel."
Krab Borg / Rock-a-Bye Bivalve - S3-E8
Continuity mistake: In Rock-a-Bye Bivalve, Spongebob's tie turns black when he is doing the chores on Patrick's second day of work, and then turns back to normal when he walks into the living room.
Mermaid Man and Barnacle Boy IV / Doing Time - S3-E1
Continuity mistake: In MMIV, there is no phone next to the door when SpongeBob shrinks the pickles. Later, Squidward calls on a phone.
Mermaid Man and Barnacle Boy IV / Doing Time - S3-E1
Continuity mistake: At the start, when Mermaid Man and Barnacle Boy run out of the Krusty Krab there are cars everywhere. When SpongeBob runs to try and get Mermaid Man's autograph inside the Krusty Krab there are no cars visible.
The Algae's Always Greener / Sponge Guard On Duty - S3-E7
Continuity mistake: When Plankton says, "Look at his daughter. She's as big as a whale!", the soda can on the table suddenly moves to the left.
Welcome to the Chum Bucket / Frankendoodle - S3-E2
Continuity mistake: In 'Welcome to the Chum Bucket', the sky is constantly changing in an abnormal way. First, it is daylight when Plankton takes Spongebob into the Chum Bucket. When Spongebob starts singing, the sun is either coming up or going down. When Mr. Krabs starts singing, look through the hole in the wall and the sky looks to be about afternoon. When Spongebob and Mr. Krabs finish their song, it's nighttime.
Chocolate With Nuts / Mermaid Man And Barnacle Boy V - S3-E11
Continuity mistake: The second time the chocolate guy chases Spongebob and Patrick, they run away and leave all their bags. But, in the next shot, they have their bags with them.
