Pleistocene Pleistocene The Pleistocene (, often colloquially referred to as the Ice Age) is the geological epoch which lasted from about 2,588,000 to 11,700 years ago, spanning the world's most recent period of repeated glaciations. The end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age used in archaeology. The Pleistocene is the first epoch of the Quaternary Period or sixth epoch of the Cenozoic Era. In the ICS timescale, the Pleistocene is divided into four stages or ages, the Gelasian, Calabrian, Middle Pleistocene (unofficially the 'Chibanian') and Upper
Superman: The Animated Series off into a new animated series, "Justice League", which also featured other popular DC Comics characters, including Wonder Woman, The Flash, Green Lantern, Martian Manhunter, and Hawkgirl which spawned a sequel series "Justice League Unlimited". Originally producer Bruce Timm wanted the show to have a more 1940s Fleischer Studios "Superman"-cartoon feel. Another original character design sheet showed the characters in a stylised 1950s style (not unlike that of the live-action "Adventures of Superman" TV series), suggesting that the producers also considered setting the series during that period, or possibly ending up like "Batman: The Animated Series" (set during modern times,