Nelson's Christmas tree, see in the opening sequence, is identical to the tree picked out by Charlie Brown and Linus in "A Charlie Brown Christmas."
Homer's "consigliere/Robert Duvall" comment
Gingerbread Death Star seen
Referenced in the epilogue
mentioned in dialogue
A villain's surname is D'Amico, this is a reference to the main villain in Kick-Ass Frank D'Amico.
Moe and a flying monkey from a stage production of 'The Wizard of Oz (1939)' -- which looks so much like Moe, he calls it a "chim-pan-me" spoof the famous mirror scene.
"You've always had the power to go home"
Spoofs Sonny Steelgrave death scene in Wiseguy TV show season 1, episode 9.
end of episode which tells the characters fates as "My Way" plays
title/Homer goes undercover to bust Fat Tony