Lisa conducts an experiment to determine if Bart is smarter than a hamster. She puts the two subjects through tests involving cupcakes. At the end of the experiment, both Bart and the hamster have a negative response to seeing cupcakes.
Professor Venkman conducts an ESP test on two students. He passes the female student despite her wrong answers and shocks the male student despite him giving the correct answer. Every time the male student is about to be shocked, he shows anxiety. Eventually, he gets fed up and leaves.