Listen to the sound clip Bye bye. from American Dad! - Season 5: Bye bye. Bye bye. This sound is from American Dad! - Season 5 American Dad! is an incredibly popular animated television show that first aired in 2005. Created by Seth MacFarlane, the mind behind Family Guy, American Dad! has gained a massive following and has been praised for its clever writing, hila… Go to the full soundboardwith more sound clips Search