Ep 20. Whacking Day

In The Simpsons season 4 episode 20, titled "Whacking Day," the annual holiday of Whacking Day is celebrated in Springfield, where residents enjoy whacking snakes with sticks. However, Lisa is up in arms about the holiday, as she believes it's cruel and inhumane. She tries to convince the town to give up the cruel tradition, but is met with resistance and ridicule.

Meanwhile, Bart is excited to participate in Whacking Day, until he discovers that the snakes are being rounded up and brutally killed. He befriends a snake named Barry and hides him in his room to keep him safe.

As the episode progresses, Lisa becomes more determined to end Whacking Day and enlists the help of Barry's snake friends to strike back at the town. Together, they come up with a plan to put an end to the holiday and save the snakes from harm.

Overall, "Whacking Day" is an episode that tackles the issue of cruelty towards animals and raises awareness about the importance of respect for all living creatures. It also highlights the power of standing up for what you believe in, even in the face of hostility and opposition. The episode combines humor and heart, making it a fan favorite and a testament to the enduring relevance of The Simpsons as a cultural cornerstone of American television.