Bart and Lisa get an alternate ending reel for It's a Wonderful Life
Homer kisses Marge's arm and calls her "Cara mia".
On the chalkboard, Bart writes, "I was not the inspiration for 'Kramer.'"
Episode title is based on the name of this movie.
Homer finds a pamphlet from Frank's funeral; Marge mentions Frank Grimes
Marge's comment on peoples pools is taken from this episode
Bart skateboards naked through Springfield.
Bart and Lisa find an "alternate ending" to Casablanca. After Ilsa plane takes off, Captain Renault and Rick Blaine walk off into the fog, and Rick delivers his "Louis, I think this is the beginning of a beautiful friendship" line. Renault stops and pulls out a gun. Sam appears and pushes his piano into Renault, knocking him out. Adolf Hitler then pops out of the piano, and threatens Sam and Rick with a grenade. Ilsa, having jumped out of the place with a parachute, lands on the piano top, trapping Hitler inside as the grenade explodes. Ilsa and Rick marry, and "The End?" flashes on the screen.
After Ned finds Homer's clothes at the mini-golf, he says "People soiled our green!"