Zombienado

Zombienado is a Bart Simpson's Treehouse of Horror story featured in.

Plot
The residents of Springfield are hiding inside the church from where the zombies were, when a sudden tornado lifts off the roof of the church and catches all the zombies before it rides into Shelbyville. The residents in Springfield are celebrating for awhile, but all too soon, the zombie-tornado turns itself back towards the city. Marge takes the two children to a shelter and Homer start searching after emergency supplies arrive at Lard Lad. Homer completely forgets the time when he enjoys all the donuts there and becomes trapped by the zombie-tornado. A zombie bites Homer and he gets turned into a zombie. Homer starts to eat up all of the zombies as a result. The city had gotten rid of all the zombies and they mourn Homer for he died as a hero. Homer shows up then alive- and after a few seconds, Homer starts to think that he got hungry for brains again! It ends with Homer starting the hunt to eat all the residents in Springfield...