YOLO (The Simpsons) YOLO (The Simpsons) "YOLO" is the fourth episode of the 25th season of the American animated sitcom "The Simpsons", and the 534th episode of the series. It originally aired on the Fox network in the United States on November 10, 2013. The episode was written by Michael Nobori and directed by Michael Polcino. In the episode, Marge invites an old pen pal to stay with Homer and cross items off his "to-do" list from when he was 10 years old, so that Homer can embrace his "You-Only-Live-Once" spirit. Meanwhile, Lisa starts an honor code for the school to combat cheating.
The Simpsons 2007, "The Simpsons" reached their 400th episode at the end of the eighteenth season. While "The Simpsons" has the record for the number of episodes by an American animated show, other animated series have surpassed "The Simpsons". For example, the Japanese anime series "Sazae-san" has over 7,000 episodes to its credit. In 2009, Fox began a year-long celebration of the show titled "Best. 20 Years. Ever." to celebrate the 20th anniversary of the premiere of "The Simpsons". One of the first parts of the celebration is the "Unleash Your Yellow" contest in which entrants must design a poster for the