At Goo Lagoon, Plankton arrives to turn the beach into the future site of the "Chum BucketMega Bucket", and demands everyone to leave the beach. However, due to his tiny size and small voice even his bulldozer is small, no one listens to him. He concludes that he needs someone big to help clear the sea creatures of the beach for him, and encounters SpongeBob. Plankton decides to trick SpongeBob into being "assertive" in order to get the things that he wants.
At first this doesn't work, as SpongeBob is naturally kind and naive. Plankton decides to give up, but SpongeBob promises to prove to him his ability to be assertive. Plankton gives SpongeBob another chance, and this time is successful in teaching him how to be mean. After a series of cruel and rude actions by SpongeBob, such as stealing everyone's hot dogs and popping a volleyball, everyone leaves the beach.
Plankton then reveals his true intentions to SpongeBob, making him very upset. SpongeBob defeats Plankton by becoming "aggressively nice" performing kind actions that attract the people back to the beach. Plankton leaves the beach, disgusted by the overwhelming amounts of kindness.
I can turn into a skyscraper!
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When Plankton is putting things in his suitcase, he puts in a shirt that looks like Charlie Brown's, except it has a red zig-zag.
SpongeBob's stand-up routine is patterned after Jerry Seinfeld ("What's the deal with...?").
When SpongeBob is being "assertively nice", he gives out five kites. At the end of the episode there are only four.
After Scooter rode with SpongeBob (who was shaped as a surf board) his pants are green. Though when Plankton is seen moping away in public Scooter's pants suddenly turned purple.
After SpongeBob cleans the girl's ice cream, it is still dirty in a later shot.
SpongeBob's tan permanently disappears after just one shot with it.
When Fred gets sand in his eye, it is unknown why he says "MY LEG!".
There are six kids lined up at the hotdog bar, and the octopus gives each a hotdog. When SpongeBob extends his tongue, there are only four kids there. The camera cuts back to the bar, and five kids are seen leaving.