Some of the most hilarious jokes in The Simpsons are long-running gags that have persisted for many years. Since its debut in 1989, The Simpsons has become the longest-running American animated series ever. Even though The Simpsons has been criticized for a perceived drop in quality in recent years, and viewership has been decreasing, the … Continue reading 10 Funniest Running Gags On The Simpsons