Almost every ancient culture tells of a watery apocalypse, and almost all of them frame total annihilation as cleansing and rebirth. This deep dive works through a comprehensive overview of global flood myths to ask why the same blueprint of divine warning, chosen survivor, boat and reset appears from Mesopotamia to the Hindu Puranas to the Great Plains, and whether these stories preserve memories of real geological disasters.

We start with the Babylonian cosmos of the Abzu and the sky's sluice gates, the Atrahasis epic in which gods drown a workforce that grew too noisy, and Yi Samuel Chen's finding that the flood was inserted into the Sumerian king list as a historiographical dividing line. The episode then tours Genesis, Plato's Timaeus, the Matsya avatar warning Manu, the Zoroastrian reversal into drought and winter, and the Blackfeet s ...