Two programs detail a variety of actual and fictional end-of-the-world forecasts, with emphasis on the ancient Mayan calendar. Doomsday 2012: the End of Days: Presents a variety of forecasts that discuss the end of the world, with emphasis on the ancient Mayan calendar as one potential source. Also included are dramatic enactments of the predictions of the fictional character Merlin, the Book of Revelation in the Bible, and the Chinese oracle of the I Ching. Mayan doomsday prophecy: A program describing aspects of the Mayans, known partly for their skill as astronomers and timekeepers. The Mayan calendar is the source of various end-of-the-world predictions that are variously reviewed and depicted.