Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Continuity mistake: At the beginning of "Born Again Krabs", it shows the outside sky being orange-ish. But when it shows SpongeBob and Mr. Krabs talking about the old patty, you can see a little blue crack through the window.
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Audio problem: At the end of "Born Again Krabs", SpongeBob is talking to The Flying Dutchman on the phone. SpongeBob's dialogue isn't in sync with his mouth.
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Revealing mistake: I Had An Accident: Almost every time the actor in the gorilla suit is on screen, he is transparent, with the background showing through him. (00:20:48)
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Continuity mistake: I Had An Accident: The Patrick suit that the gorilla is in has white eyes, but right before the gorilla bursts out of the suit, the eyes are pink instead of white as they should be. (00:20:48)
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Revealing mistake: I Had An Accident: When the gorilla is beating up Patrick and Sandy in the bag, in some shots, there are faint lines on the screen due to the green screen being cropped incorrectly. In addition, when the gorilla smashes the chair onto the bag, some pieces of the chair cross one of the lines and disappear. (00:21:02)
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Continuity mistake: I Had An Accident: When SpongeBob leaves his house to save Patrick and Sandy, he leaves the door open behind him, but in the next shot, the door is suddenly closed. (00:22:25)
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Other mistake: Born Again Krabs: When the Flying Dutchman gives Mr. Krabs the choice of either taking SpongeBob or all the money in his pocket, the Flying Dutchman says he has 62 cents, and Mr. Krabs says he will take the money. In the next shot of SpongeBob, his right leg is missing. (00:10:35)
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Continuity mistake: In "I Had An Accident", Sandy opens the door to show that she was being "attacked" by a gorilla and Spongebob is looking through that door to see the events unfold. But after a couple of shots, the door has closed by itself and Spongebob has to open it again before going outside.
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Continuity mistake: In "Born Again Krabs", when Mr. Krabs first makes his appearance next to Davy Jones' locker, there is some coral taking up a part of the bottom left corner. In a few shots, that same set of coral has disappeared.
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Continuity mistake: In "Born Again Krabs", after Mr. Krabs returns from the hospital and the Krusty Krab has their "Grand Re-Opening", there are two big yellow signs on the front windows, but in the next shot from the inside, these signs have vanished.
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Continuity mistake: In "Born Again Krabs", the doctor taking care of Mr. Krabs drops his clipboard and runs. When the Flying Dutchman appears in the next shot, the clipboard is missing.
Born Again Krabs (aka A Penny Saved) / Safety Freak (aka I Had An Accident) - S3-E17
Continuity mistake: In "Born Again Krabs", Mr. Krabs drops the coins that the Flying Dutchman gave to him on the floor. In a few shots, when the Flying Dutchman comes back, the coins have vanished.
Answer: I believe this is the Season 6 episode "Spongicus".