Plankton tries to steal the formula, with Karen launching him into Mr. Krabs' brain but goes into SpongeBob's instead, which Karen and Plankton did not know SpongeBob was holding a cardboard of Mr. Krabs until he moves it away. Plankton goes into the optical system to see how to make Krabby Patties, but SpongeBob cannot see and uses inedible things to make it. Plankton sees that as useless, so he goes to the audio system. Before that, SpongeBob thinks he forgot to make the Krabby Patty, so he asks Mr. Krabs to tell him the secret recipe again. But by the time he gets in front of Mr. Krabs, Plankton is already using SpongeBob's eardrums. SpongeBob cannot hear Mr. Krabs, so Mr. Krabs repeats himself by yelling, then uses a megaphone. Plankton does not want to hear that, so goes to the command central: the brain. When he goes inside, he is basically in SpongeBob's pineapple but spaghetti-ish and pinkish, so he goes into the library. He looks at SpongeBob's secrets and finds that the formula is in the heart. He slides the vertebrae down there and when he sucks information from SpongeBob's heart, he becomes yellow with lime spots (holes), grows two buck teeth and eight fingers and somehow, brown pants, black shoes, a red tie, and a white shirt are on him. And then he acts like SpongeBob when Karen calls out to him, asking him if he got the secret recipe of the Krabby Patty to which Plankton responds that getting the formula is stealing and Karen somehow brings him home but not before bumping into Patrick. Once accidentally sucking up info from Patrick, he becomes pink, chubby, stubby armed, one-toothed, and wearing the swimming trunks Patrick wears, and forgets the formula. Once Plankton is back at the Chum Bucket, Karen asks him what the formula is and Plankton is acting like an idiot, and he forgot the formula.
I can turn into a skyscraper!
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This is the last episode of SpongeBob to premiere during the Nickelodeon's 1984-2009 Splat era.
When Patrick walks out of the Krusty Krab, after Karen takes Plankton, Patrick's animation freezes for one second.
Just as Plankton completed his transformation into SpongeBob, his eyelashes were missing for a split second.
SpongeBob cannot hear if his eardrum is not plugged into a wire. However, when Plankton detached his plunger to his eardrum, SpongeBob could hear again despite that his eardrum was not plugged in again.
Patrick's lips are pink when he leaves the Krusty Krab.