Bart's Bad Day

Bart wakes up in the morning and realizes he is out of his favorite cereal. On his way to school it rains and he gets soaked. In the classroom he realizes he forgot his homework and at lunch his pizza didn't have a lot of cheese on his way home he loses his favorite ball. Each time something bad happens it is followed by something good. But Bart focuses on the bad until his Mother talks to him at the end and has him look back over his day teaching him that his perception defines the day.