Lethe alpha literally means "un-forgetfulness" or "un-concealment". Lethe, the river of forgetfulness, was one of the five rivers of the Greek underworld, the other four being Styx, Acheron (the river of sorrow), Cocytus (the river of lamentation) and Phlegethon (the river of fire). According to Statius, it bordered Elysium, the final resting place of the virtuous. Ovid wrote that the river flowed through the cave of Hypnos, god of sleep, where its murmuring would induce drowsiness. The shades of the dead were required to drink the waters of the Lethe in order to forget their earthly life. In the "Aeneid", Virgil
Mythology of The X-Files their doomsday plan. Not all episodes advanced the mythology plot, but the ones that did were often set up by Mulder or Scully via an opening monologue. Most mythological elements in "The X-Files" relate to extraterrestrial beings, referred to by the writers as "Colonists", whose primary goal is to colonize Earth. Late in the series, this was revealed to have been planned for the year 2012. This list of mythology episodes is taken from official sources, "The X-Files Mythology" range of DVDs and the book "The Complete X-Files: Behind the Series, the Myths and the Movies". Differences between the DVDs