Listen to the sound clip Are you sure? from The Simpsons - Season 3: Are you sure? Are you sure? This sound is from The Simpsons - Season 3 The Simpsons - Season 3: A Hilarious Adventure Back in 1991 The Simpsons, a groundbreaking animated television sitcom, has undoubtedly etched its n… Go to the full soundboardwith more sound clips Search