Treehouse of Horror XIX
The Simpsons Season 20 Episode 4 (11/02/08)
Intro: Homer tries to vote for Barack Obama but the machine is rigged to place votes for John McCain.
Untitled Robot Parody: In a light parody of Transformers, Lisa gets a Malibu Stacy car that turns into a robot bent on fighting the mortal enemy of his race (more transforming robots).
How to Get Ahead in Dead-Vertising: After accidentally killing Krusty the Clown over the destruction of a daycare mural, Homer is hired by two ad agents who have discovered a legal loophole in using celebrity likenesses in their ad campaigns.
It's the Grand Pumpkin, Milhouse: In this parody of It's the Great Pumpkin, Charlie Brown, Milhouse summons a demon pumpkin, who goes berserk when he discovers that humans carve his brethren into jack-o-lanterns as Halloween tradition.