This is the Halloween 2011 special of the animated series The Simpsons season 23. The episode will feature the standard 3 segments and Aron Ralston will be the guest star for this episode. The following are the three segments of the episode. The Diving Bell and the Butterball - A spider bite leaves Homer paralyzed but he is able to communicate through natural gases. Dial D for Diddly - Ned Flanders becomes a serial killer. In the Na'Vi - Bart and Milhouse are assigned to access a sacred extract of a distant planet.