WTF Fun Fact – Paul & Lisa The Vegetarian

Paul McCartney agreed to make a cameo on the TV show The Simpsons only if Lisa Simpson became a vegetarian for the rest of the series. The show agreed and he appeared in season 7 episode titled “Lisa the Vegetarian.” – WTF Fun Facts

Source: https://www.huffingtonpost.ca/entry/simpsons-paul-mccartney-vegetarian_n_57ab976de4b0ba7ed23ee8a1?guccounter=1