The Simpsons star Nancy Cartwright has given her thoughts on when she thinks the show will end. The Simpsons recently wrapped its 37th season and will soon return for its 38th next month. The show has a contract for up to 40 seasons with the final series due to air in 2029. Despite that, Cartwright said that she isn’t looking to retire from the show and if it did continue beyond 40 seasons, she confirmed she’d be onboard. “[AI] might sound pretty close to Nancy Cartwright, but I got passion.