BackMistakes & Goofs
Many animation and audio errors have been made throughout the series.| Season |
Episode # |
Episode Name |
Description |
Proof |
| 1 | 1a | Help Wanted | Stephen Hillenburg's long lost cousin, Stephen Hilleburg! |  |
| 1 | 1c | Tea at the Treedome | Half of the belt is missing | |
| 1 | 3b | Plankton! | SpongeBob's tie is black for a few frames | |
| 1 | 3b | Plankton! | Words appear out of nowhere | |
| 1 | 5a | Pizza Delivery | Squidward's eyes are green | |
| 1 | 7b | Jellyfish Jam | Squidward's shirt changes color (Pink/Brown) | |
| 1 | 8b | Squeaky Boots | 1) Floorboard changes colors once you pull the building up 2) Mr. Krabs changes sides from right to left in the restaurant when lifting up the building |
|
| 1 | 10b | F.U.N. | Theater seat is end then becomes middle | |
| 1 | 11a | MuscleBob BuffPants | SpongeBob's outfit changes | |
| 1 | 12b | Employee of the Month | Door handles are clear instead of yellow | |
| 1 | 12b | Employee of the Month | Why are SpongeBob's eyelashes on the top of the binoculars? | |
| 1 | 13b | I Was A Teenage Gary | Gary's eyestalks and eyeballs are the wrong color | |
| 1 | 17a | Arrgh! | X spot mysteriously appears full after Mr. Krabs digs the first time | |
| 1 | 19a | Fools in April | Door handle mysteriously disappears and reappears | |
| 1 | 19a | Fools in April | Inside door becomes outside door | |
| 1 | 19a | Fools in April | Green fish gets dressed between shots | |
| 2 | 21b | Squid's Day Off | Misspelling of 'Emergency' | |
| 2 | 23a | Big Pink Loser | SpongeBob's front teeth are missing | |
| 2 | 24a | Dying For Pie | Mr. Krabs levitating & Squidward missing some legs | |
| 2 | 24a | Dying For Pie | SpongeBob says 'eyelashes' but his eyebrows are gone | |
| 2 | 24a | Dying For Pie | Mr. Krabs' eyebrows are missing | |
| 2 | 25a | Wormy | 1) SpongeBob's front teeth are missing 2)Sandy's left arm is missing 3) Patrick's eyes are missing 4) Eyes lose color on green fish with glasses |
|
| 2 | 28 | Christmas Who? | SpongeBob's shoes aren't colored in | |
| 2 | 29a | Survival of the Idiots | SpongeBob's foot goes missing | |
| 2 | 29b | Dumped | SpongeBob's sleeve is yellow and not white | |
| 2 | 32b | The Smoking Peanut | SpongeBob's belt is not colored in | |
| 2 | 32b | The Smoking Peanut | Mr. Krabs' belt buckle colors are reversed | |
| 2 | 32b | The Smoking Peanut | Patrick's eyelids are pink instead of purple | |
| 2 | 33a | Shanghaied | Rope changes from real to painting | |
| 2 | 36a | Graveyard Shift | As Squidward tells SpongeBob about the hash-slinging slasher, his eyebrows disappear | |
| 2 | 36a | Graveyard Shift | 'Order Hear' instead of 'Order Here' | |
| 2 | 36a | Graveyard Shift | 'Galley Grub' misspelled | |
| 2 | 37a | Procrastination | Misspelling of 'stoplight' | |
| 3 | 42a | Club SpongeBob | Squidward's tentacle is yellow | |
| 3 | 44b | Idiot Box | SpongeBob's pineapple is missing | |
| 3 | 45b | Doing Time | Mrs. Puff's hat changes colors from blue to red to black | |
| 3 | 47b | Can You Spare A Dime? | Straw changes color | |
| 3 | 48b | Squilliam Returns | Mr. Krabs' eyes turn white instead of light yellow | |
| 3 | 48b | Squilliam Returns | Outside is dark but it's really not | |
| 3 | 49b | Rock-A-Bye Bivalve | SpongeBob's sleeves are still on after taking his pants off | |
| 3 | 51 | Party Pooper Pants | Gary's shell swirl is gone | |
| 3 | 52a | Chocolate With Nuts | 1) Patrick's light pink patch above mouth 2) SpongeBob's pores are missing |
|
| 3 | 52b | Mermaidman and Barnacleboy V | Misspelling of 'villain' | |
| 3 | 55a | The Great Snail Race | SpongeBob's nose is missing | |
| 3 | 60a | SpongeBob Meets the Strangler | Numbers are different |
|
| 3 | 60a | SpongeBob Meets the Strangler | The Strangler's shirt goes missing for a frame |
|
| 4 | 64b | Good Neighbors | Disappearing pores | |
| 4 | 69a | Krusty Towers | From the outside view of the new Krusty Krab hotel, there should be 11 floors. However, Mr. Krabs brings Squidward to the 17th floor | |
| 4 | 74a | Bummer Vacation | Where did the Chum Bucket go? | |
| 4 | 79b | The Pink Purloiner | A door inside of another door | |
| 4 | 80a | Best Day Ever | A door inside of another door | |
| 4 | 80a | Best Day Ever | Sandy's tail is white | |
| 5 | 83b | Waiting | Sandy's karate gear is red instead of green | |
| 5 | 85b | Krabs a la Mode | SpongeBob's hat is missing | |
| 5 | 85b | Krabs a la Mode | The spatula's handle is entirely black instead or silver | |
| 5 | 85b | Krabs a la Mode | Boat disappears than reappears | |
| 5 | 88c | Slimy Dancing | SpongeBob's eyelashes are missing | |
| 5 | 91b | Le Big Switch | Backdoor is missing | |
| 6 | 101a | House Fancy! | The picture on the right is missing the unibrow. | |
| 6 | 104a | Not Normal | SpongeBob's left arm is missing | |
| 6 | 105b | Slide Whistle Stooges | SpongeBob's socks are missing | |
| 6 | 106a | A Life in a Day | SpongeBob & Patrick switch places in camera angles | |
| 6 | 106a | A Life in a Day | SpongeBob's bathing suit changes into normal clothing in mid-air | |
| 6 | 109a | Boating Buddies | SpongeBob's belt turns white | |
| 6 | 113a | Krusty Krushers | Patrick's blindfold disappears | |
| 7 | 130a | Greasy Buffoons | SpongeBob's eyelashes are missing | |
| 7 | 131b | A Pal for Gary | Gray bars at the top and bottom of frame | |
| 7 | 133b | Squidward in Clarinetland | Misspelling of "Galley Grub" | |
| 7 | 142a | Trenchbillies | Invisible mustard squirter | |
| 8 | 167b | Bubble Buddy Returns | Gary's swirl and dots on his shell switch colors | |
| 8 | 169b | Planet of the Jellyfish | SpongeBob's pants are a darker shade of brown in a close-up | |
| 8 | 171b | inSPONGEiac | Where did Squidward's house go? | |
| 8 | 172a | Face Freeze! | SpongeBob's eyelashes are missing on his right eye | |
| 8 | 174a | Treats! | Gary's swirl and dots on his shell switch colors | |
| 8 | 177a | The Good Krabby Name | The "screaming fish" changes color | |
| 9 | 181b | Squid Baby | SpongeBob's eyelashes are missing | |
| 9 | 183a | Squid Defense | Sandy's teeth are the wrong color | |
