The episode begins with a shadowy figure that looks like Plankton opening a safe that has the Krabby Patty formula in it. SpongeBob turns the light switch on, and then it reveals it was just Mr. Krabs checking to make sure that the secret recipe is still safe and that Plankton did not try to steal it yet. He has not tried to steal it in a month, so he must be planning something big. Squidward had just entered the office and said, "Hello." When Mr. Krabs said one of his employees will have extra work, Squidward said "Good Bye," and left, leaving SpongeBob to do the work as being a spy to follow Plankton to see what he is up to (in this scene, SpongeBob makes a parody of the gun barrel sequence, from Patrick's straw). Then Patrick hollered that he also wanted to become a spy. Mr. Krabs gave them a Patty that will tell them that their assignment is to follow Plankton to see what his plans are. If they fail to get gadgets, and do not accept the task, they will be fired.
SpongeBob and Patrick go to Sandy's Treedome to ask her about spying, and Sandy shows them spy equipment. SpongeBob was excited to use the equipment, but Sandy refused to let them use any of them, as she felt they would just mess it up and then Patrick uses the knockout gun to knock Sandy out and they stole the equipment. One of the gadgets that they steal is the Laser pants. Patrick replaces his normal pants with these. Patrick wires the pants to his butt, so that it will fire lasers whenever he farts.
They started following Plankton, and it is revealed that Plankton buys baby clothes and has to buy stamps for mail. They tell Mr. Krabs everything and Mr. Krabs writes these on a chalkboard.
Later that night, SpongeBob and Patrick are on the rooftop of the Chum Bucket trying to get inside. Patrick lets out a large fart causing the laser pants to make a hole for them. Plankton thought that they came in late at night to eat his food while Mr. Krabs was absent. Patrick tells SpongeBob that he REALLY has to go to the bathroom and he cannot hold it in. Patrick also says that his laser pants are not working right. Without his control, Patrick farts causing the table behind him to disintegrate. As he keeps on trying to hold it in, Patrick's butt begins to shake because of the gas inside him. Plankton tries to offer a bran-muffin and a prune to Patrick, not realizing that he has to use the toilet. Patrick tells Spongebob that he has to go NOW. Because of the pressure, his gas bubble finally bursts and he lets out a barrage of farts. As Spongebob and Plankton scream because of the smell, the lasers shoot out of the laser pants making holes in the walls thus destroying the Chum Bucket. Angry, Plankton sends a giant blimp to the Krusty Krab. Mr. Krabs thought that night had come early, but Squidward points to Plankton's blimp. When Mr. Krabs tells everyone to get into their positions, Squidward runs into the men's bathroom. Plankton pushes a button that starts playing annoying music that makes the customers leave. Mr. Krabs says that if he wants his customers, he can have them. He sucked them into a giant cannon, and shot at the blimp using the customers and, unfortunately, Squidward. Unluckily, the attempt failed, as the customers always bounced off the blimp. SpongeBob tells Patrick that it is all up to them to save the Krusty Krab, but Patrick jumps off the blimp and accidentally lands in the cannon, which fires him right at the blimp, causing it to pop. The restaurant blows up as well. Plankton, now having the secret formula in hand, laughs and states "I WIN! I ALWAYS WIN!," but SpongeBob reminds him that he always loses. Plankton corrects SpongeBob that he always wins and reveals that it was Mr. Krabs in disguise. The other Mr. Krabs was actually a robot controlled by Plankton. Mr. Krabs and Plankton did a bet that if Mr. Krabs disguised himself as Plankton so he can steal the Krabby Patty formula better than him and if the Chum Bucket gets destroyed, Plankton would pay him a dollar. After Plankton gives money as part of the bet, Patrick yells at them to stop and rips his skin off showing that he is Squidward. SpongeBob asks that "if he is Squidward, then who is the other guy?" Just as SpongeBob tries to pull off the other guy's mask, Squidward was trying to tell Spongebob that he was not wearing a disguise and that he was the real Squidward. He takes his ripped face back, they then continue to take off disguises, and Sandy shows up and says that it is the wrong disguise, then SpongeBob appears. SpongeBob takes off his disguise and Patrick appears. Then both of them return to their real selves, then SpongeBob tells Mr. Krabs that he is confused that there are two Patricks, and they both started laughing. After two Patricks stop laughing, it cuts to black.
Shower In A Can!
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