Treehouse of Horror XXIII
| Episode Number | 2 |
|---|---|
| Season | 24 |
| Aired | 2012-10-07 |
| Overview | Marge and Homer go back to ancient Mayan times and learn that the world will come to an end in 2012; and a glitch in the Springfield Subatomic Supercollider wreaks havoc on the city. |
| Runtime | 25 minutes |
| Absolute Number | 510 |
| Finale Type |