About this "The Simpsons" episode:

The Simpsons - Bart the Genius is the second episode of season 1 and number 2 overall in the series.
If you are familiar with Bart, you know that he is everything but genius. In this episode he has some problems with an IQ test so, he switches the test with one of his class mates,  Martin Prince, who is in fact a genius. After the results are tabulated, the school psychiatrist labels Bart a genius and sends him to the Enriched Learning Center for Gifted Children.
Homer, the dumbest person alive in Springfield, starts treating Bart with respect, but Bart immediately feels out of place among his new classmates and is alienated from his old peers, he begins to see the downside of his new life.
With all this pressure around, he must confess that he cheated in order to return to his old school and status.