When Dexter cannot reach anything in his lab, he makes himself more flexible by combining himself with bubble gum.
When Dexter cannot get the ice cream truck to stop for him, he creates a series of obstacles to do so.
Dexter accidentally gives himself telepathy that he cannot shut off when trying to overhear his father’s thoughts to figure out what he got for his birthday, causing everyone to accidentally read his own mind.
When Dexter neglects his metal-eating pet bug, it begins eating his lab as revenge.