This episode has the first apperance of Plankton as he tries to use SpongeBob to get the Krabby Patty Secret Formula.
While SpongeBob flips Patties, a Krabby Patty starts going all over the place. Mr. Krabs finds out it was Plankton, trying to get the secret formula, and gets launched out of the Krusty Krab on a plate. SpongeBob then asks who Plankton is, and Mr. Krabs tells him about how Plankton has been trying to steel the Krabby Patty Formula. Later that night, on his way home, he runs into Plankton again, who tries to convince SpongeBob to give him the formula, saying tomorrow was his birthday. SpongeBob dosen't fall for it, but while he's sleeping, Plankton uses a device to control the sponge. After running into Squidward and Patrick, They go through the Krusty Krab, grab a patty, and gets to the Chum Bucket. Plankton then commands SpongeBob to release the patty into the machine that tells whats in the thing dropped in. He then gives a detail of the Krabby Patty, with all the facts of how it tastes so good. Plankton then jumps out of SpongeBob, but instead of grabbing the patty, he falls into the machine, and is stuck there. SpongeBob then decides to go home with the patty, while Plankton tries to command him to give him the patty.