They're full of Broadway references. Of course "American Dad" and "Family Guy" had references, but "The Warm At Home" (which is a horribly unfunny show) had a scene where the young girl goes to friend's house and her friend has a Jersey Boy's poster on her wall.
this has been bugging me since it aired, what is the song that the american dad musical number was a parody of? I just can't place it for some reason
"Grease," the fourth revival of the season, is the worst show in the history of theater and represents an unparalleled assault on Western civilization and its values. - Michael Reidel