One sunny day, SpongeBob notices a package outside of his house. While carrying it, he states that it's heavy. When SpongeBob lifts the package, which is very heavy, and places it on a table. He then opens the package, and the face of a sponge that looks a lot like SpongeBob is inside, and he says hello. Shocked, SpongeBob panics and jumps backwards, and his cousin Stanley then comes out, whom SpongeBob recognises immediately. They do a victory screech, and then SpongeBob asks him why he has come. Stanley produces a letter for SpongeBob from his Uncle Sherm. It states that Stanley cannot hold a job because he destroys everything he touches, and he can't take it anymore. Hoping SpongeBob can deal with Stanley better, he sent Stanley to him.
SpongeBob is happy to take Stanley in, and Stanley immediately rushes to the refrigerator, stating that Uncle Sherm never let him near the refrigerator. He then throws everything out of it and rushes to the bathroom. He causes the toilet to flood and then rushes to the television. However, he flicks through the channels too quickly and causes the television to explode. Stanley then admires pictures of SpongeBob working at the Krusty Krab, which SpongeBob says is his calling. Stanley is sad because he doesn't have a calling, and SpongeBob decides to see if Squidward can help him.
Squidward gets scared because there are two "SpongeBob's" and moves out because he thought that he was going to get annoyed. Next, SpongeBob takes Stanley to see Sandy. When he is about to shake her hand, he trips over a rock, and his buck teeth tear a hole in Sandy's suit, sending her flying upwards. SpongeBob then takes Stanley to see Patrick, and Patrick asks him if there is anything he is good at. Stanley says there is nothing he is good at, so Patrick decides to test how good he is 'at nothing'. Patrick tells Stanley to clear his mind and do absolutely nothing, but Stanley just can't resist the urge to move, and yells that he can't do it, and Patrick tells him to leave.
SpongeBob's watch then beeps, alerting him that it is time to go to work, and SpongeBob, temporarily forgetting Stanley's problem, puts on his hat and says Stanley has no idea how good it feels. This causes Stanley to start crying, and SpongeBob says maybe Stanley watching SpongeBob work will cheer him up. When they arrive at the Krusty Krab, Mr. Krabs sees Stanley, and is excited, as he believes this means there are two SpongeBobs. He askes SpongeBob if Stanley is a hard worker, and Stanley begs SpongeBob to say yes, so he does. Mr. Krabs then hires Stanley. SpongeBob shows Stanley the cash register, but the moment he touches it, it goes up in flames. Mr. Krabs smells the money burning and rushes to try and save it. Unable to do so, he askes SpongeBob who is to blame, and SpongeBob takes the blame for him.
When the first customer comes to the register, Stanley is excited, and takes many pictures of him and the customer, and then rushes off to get them developed, leaving a long line of customers angrily waiting at the register. SpongeBob sees this and frantically serves everyone in the line, making a mess of the kitchen as he does so. SpongeBob tries to tell Mr. Krabs about Stanley, but Mr. Krabs interrupts him, showing him all the people who were turned down for the job, so SpongeBob doesn't tell him. He then walks back into the kitchen to find that Stanley has broken SpongeBob’s spatula. Mr. Krabs walks in, and thinks SpongeBob broke his spatula, and this makes SpongeBob furious, and he tells Mr. Krabs that Stanley broke his spatula, and burned the cash register. Stanley starts crying, saying he ruins anything he touches, and Mr. Krabs gets an idea. He lets Stanley get a job at the Chum Bucket, and Plankton initially believes Mr. Krabs was foolish, however, almost immediately Stanley destroys the Chum Bucket, and the episode ends with him saying "Sorry boss."
Mr. Krabs' Nephews are a parody of Donald Duck's nephews, Hewy, Dewy and Louie, and the fact that they solve mysterious things, a parody of their role in the show DuckTales.
In the scene where Stanley destroys SpongeBob's refrigerator, a brown liquid is thrown on SpongeBob's face. In the next scene when Stanley destroys SpongeBob's toilet, the brown liquid on SpongeBob's face is gone.
In the scene where Stanley questioned SpongeBob if he works at The Krusty Krab, if one looks closely, one can see the pictures moved places after SpongeBob explained the pictures.
When Stanley is tripping on a rock and SpongeBob says "You'll be learning from the master.," Stanley has eyelashes in those scenes, but he normally does not have any.
When Stanley is crying, SpongeBob looks at his watch. In the next shot, it's gone (the camera even zooms in on SpongeBob hand to guarantee it's gone).
When Mr. Krabs rolls around on the money, it is not on fire but part of him and his clothes turn black.
It's said that Stanley breaks everything he touches, but he did not break the camera when he was going to take pictures.
Maybe Stanley can only use cameras well.
When Stanley runs out of The Krusty Krab holding a camera, his wedding hat he was previously wearing is missing.
In the close up of the wedding photo with Stanley and Harold, Stanley has no eyebrows.
When Sandy's relative from Scotland speaks, he or she is blowing on a pipe, and a bubble comes out and it comes out of his or her helmet and pops. That is impossible unless there is a door where the bubble can leave from, otherwise, it went right through the glass.
When SpongeBob yells, "No! Not my spatula!," he does not have any legs.
At the end of the episode, Plankton states it's the end of him, but he isn't correct because he was seen in future episodes.
On Netflix, this episode is erroneously described as "Stanely S. SquarePants."