− | [[Bart]] ends up in a coma after attempting to jump from the roof to the swimming pool at Spinster Arms Apartments. In an effort to cope with the loss of their boy, the family takes in a robotic boy, named {{ap|David|Treehouse of Horror XVI}}, who quickly proves to be a better son. Later, [[Bart]] wakes up from his coma, however the two boys soon try to compete for their families love. [[Marge]] grows concerned with the boys rivalry, [[Homer]] comforts her and says he'll fix it. Of course instead of getting rid of the better robot son Homer decides to dump Bart in the woods. Bart soon comes across a band of defunct robots, and harvests their parts in the night. He returns home to seek his revenge on David, and in the end, he cuts both Homer and David in half. How exactly he replaced his real body parts with robotic ones is left unknown. | + | [[Bart]] ends up in a coma after attempting to jump from the roof to the swimming pool at Spinster Arms Apartments. In an effort to cope with the loss of their boy, the family takes in a robotic boy, named {{ap|David|Treehouse of Horror XVI}}, who quickly proves to be a better son. Later, [[Bart]] wakes up from his coma, however the two boys soon try to compete for their families love. [[Marge]] grows concerned with the boys rivalry, [[Homer]] comforts her and says he'll fix it. Of course instead of getting rid of the better robot son Homer decides to dump Bart in the woods. Bart soon comes across a band of defunct robots, and harvests their parts, partially turning himself into a robot. He returns home to seek his revenge on David, and in the end, he cuts both Homer and David in half. |