Simpsons - Krusty Gets Busted(1990) reference to A Little Night Music(1977)

Simpsons - Bart the General(1990) reference to Full Metal Jacket(1987)

Simpsons - Bart the General(1990) reference to Full Metal Jacket(1987)

Simpsons - Homer's Odyssey(1990) reference to John Henry Was a Steel Drivin' Man

Simpsons - Bart the Genius(1990) reference to Carmen(1875)

Simpsons - Simpsons Roasting on an Open Fire(1989) reference to Gold Diggers of 1933(1933)