The watching of certain events in Stan's life during the trial scene is a reference to the 1991 movie Defending Your Life.
Hayley's birth is a parody of The Lion King.
Hayley rents "all the Charlie Brown Christmas specials, from the original one where he learns the meaning of Christmas to the one from the '80s where he meets the kid with AIDS." The latter description is similar to Why, Charlie Brown, Why?, which featured a character with leukemia and did have a sequence set during Christmastime.
When criticizing the family's decorations, Stan begins with the stockings and says that "the INXS guy hung himself with more care", referring to Michael Hutchence's hanging death that has been widely cited as a suicide.
The Angel getting her wings is a reference to Clarence, from It's a Wonderful Life.
It is revealed that Jim Henson and Kermit the Frog are trapped in the Phantom Zone from Superman, shouting "Forgive us" and "You will bow down before me, son of God", respectively.
Stan getting caught out by St Peter by saying 'thank you' in clear English is similar to a character from The Great Escape getting captured by a German officer after also saying 'thank you' in clear English.
God plays with toy dinosaurs like Wash in Firefly.
When Roger is drunk and stares at the blinking nose on his sweater, he claims he can see his heart light, a reference to E.T.
God quotes Shakespeare's Merchant of Venice when he says "So shines a good deed in a weary world," noted for its inclusion in Willy Wonka and the Chocolate Factory.