"The Simpsons" forever reshaped American television for the better. Looking back at the greatest "Simpsons" episodes, one discovers all of the joy that 22 minutes of sitcom excellence can produce.

The Simpsons revolves around the daily life of the Simpsons family: 10-year-old troublemaker Bart Simpson (Nancy Cartwright), level-headed homemaker Marge (Julie Kavner), less-than-intelligent ...