The Nazca lines, the Atacama Giant, the Blythe Intaglias, Egyptian heiroglyphics, the Ben Ben Stone, the Cosmic Egg, Rendlesham Forest...need we go on? Are all of the petroglyphic carvings throughout the ancient deserts of the world actually part of one universal code taught to primitive humans by ancient extraterrestrial gods? Is this the most boring episode of Ancient Aliens ever? You bet your prolapse it is! But we still have fun despite the best efforts of our plucky ancient astronaut theorists - let’s proooooooooooooooooobe into Season 13, Episode 5: The Desert Codes!