Giant Squidward/No Nose Knows - S6-E7
Continuity mistake: In "No Nose Knows", Patrick is trying out his new nose. He passes through a cloud of perfume sprayed by a fish in front of the perfume shop. In the next shot, the fish and the perfume shop are gone.
Gullible Pants/Overbooked - S6-E19
Continuity mistake: In "Gullible Pants" when Mr. Krabs is about to exit the Krusty Krab, he looks at his watch, which disappears in the next shot.
SpongeBob's House Party (aka Party Pooper Pants) - S3-E10
Continuity mistake: When SpongeBob is locked out of his house, he digs a hole to try and get in. This hole doesn't exist the next morning.
Fools in April / Neptune's Spatula - S1-E19
Continuity mistake: In "Fools in April", Squidward put some paper towels in his ears to block out the noise of Spongebob's laugh echoing throughout the Krusty Krab. He covers his ears, and in the next shot, the paper towels are missing and not in his hands.
Fools in April / Neptune's Spatula - S1-E19
Continuity mistake: In "Fools in April", Gary is sleeping next to his food bowl in the first shot, with Spongebob's bed nowhere to be seen. After hearing Spongebob's voice, Gary wakes up. In the next shot, Gary's food bowl is sitting in front of Spongebob's bed post.
Help Wanted / Reef Blowers / Tea at the Treedome - S1-E2
Continuity mistake: In "Tea At The Treedome" Patrick is seen lying on his rock, and the wooden stem thingy on his house is to the right of his house instead of the middle, and is a lot taller too.
Rodeo Daze/Gary in Love - S7-E15
Continuity mistake: At the end of Rodeo Daze, the bullfrog bursts the bubble and everything lands on the ground in its "real" state, except there's no Squidward. We are told he's an octopus, so he wouldn't be one of the fishes that we see.
Jellyfishing / Plankton! - S1-E3
Continuity mistake: In "Jellyfishing" when SpongeBob is playing Squidward's clarinet he says "Sorry, my lips are a little dry." Then he starts licking his lips. In one shot, the clarinet disappears from SpongeBob's hands. Then it reappears in the next shot.
SB-129 / Karate Choppers - S1-E14
Continuity mistake: In "Karate Choppers" when SpongeBob sticks his arm through Sandy's phone, Sandy sticks SpongeBob's hand through the other end, then Sandy puts the phone down and SpongeBob's hand immediately disappears.
Penny Foolish/Nautical Novice - S6-E2
Continuity mistake: In "Penny Foolish" around the beginning, SpongeBob does a lot of stunts before he picks up the penny. Then when Mr. Krabs flashbacks to what SpongeBob did, the buildings in the background change.
Penny Foolish/Nautical Novice - S6-E2
Continuity mistake: In "Penny Foolish" when Mr. Krabs is driving at night, there are a bunch of buildings surrounding him. Then when the shot cuts to the steering wheel and back to Mr. Krabs the buildings disappear.
Selling Out/Funny Pants - S4-E5
Continuity mistake: In "Funny Pants" when Mr. Krabs tells SpongeBob to touch the money the anchor on the door is yellow. In the next shot, it is red, like it is in other episodes.
Tunnel of Glove/Love That Squid - S8-E14
Continuity mistake: In "Tunnel Of Glove" the amount of police tape on the entrance of the tunnel of glove changes. Some shots there are three pieces of tape, others there are four.
Continuity mistake: In "Jellyfishing" when Squidward gets home from the hospital, Patrick exclaims Merry Christmas! However, later on in the series it is revealed that nobody in Bikini Bottom even knew what Christmas was.
The Snowball Effect / One Krabs Trash - S3-E3
Continuity mistake: In "Snowball Effect" when Squidward rips apart the "peace treaty" it is nothing but shreds on the ground. About ten shots later, the shreds disappear.
The Snowball Effect / One Krabs Trash - S3-E3
Continuity mistake: Throughout the episode "The Snowball Effect" Patrick's house is missing.
Suggested correction: I just watched this episode and on at least two occasions I could see Patrick's home in the background.
The Graveyard Shift / Krusty Love - S3-E13
Continuity mistake: Graveyard Shift - Sometimes the kitchen walls are light green, and sometimes they are dark green.
Tenacle-vision/I Heart Dancing - S7-E8
Continuity mistake: In Tentacle-Vision Squidward ties Patrick up to the camera. However, when Mr. Krabs, Pearl, Plankton, and Sandy interrupt Squidward Chat, the camera is visible. Patrick is nowhere to be seen.
The Original Fry Cook / Night Light - S5-E9
Continuity mistake: Near the end of "Night Light" Patrick gets burned by the sun, and the wooden stem atop his house is missing.
Selling Out/Funny Pants - S4-E5
Continuity mistake: In "Selling Out" when the Krabby O'Mondays is just about to flood, SpongeBob and Squidward have their Krusty Krab hats on. About ten seconds ago, they had their Krabby O' Mondays' hats on.
