Ancient Aliens : The Series - Season 2

Episode 6 : "Mysterious Places" (Original Airdate : October 28, 2010)

This episode examines locations around the Earth that are proposed "hot spots" of UFO activity; such as the Bermuda Triangle; Mexico's "Zone of Silence" an area of land said to naturally disrupt radio signals; the portal-like structure at Peru's Puerta de Hayu Marka; and the curious rock formations of the Markawasi Plateau.

Episode 7 : "Gods & Aliens" (Original Airdate : November 4, 2010)

This episode looks at legends about powerful gods and fearsome monsters that have similarities between them even though these legends are found in different cultures separated by vast distances, and this episode also suggests that these legends may be eyewitness accounts of alien visitations. Also discussed are tales of gods interacting with humans, imparting wisdom and technology and impregnating women to create demigods who are supposedly the offspring of human/alien unions.

Episode 8 : "Underwater Worlds" (Original Airdate : November 11, 2010)

This episode suggests that various underwater structures and ruins found around the globe may have been used by extraterrestrials; such as the temple ruins found under Lake Titicaca in Peru; the geometric structures of Yonaguni off the coast of Japan, and ancient Indian texts that allegedly describe other sunken cities yet to be discovered.

Episode 9 : "Underground Aliens" (Original Airdate : November 18, 2010)

This episode theorizes that various underground places may have been extraterrestrial lairs; such as a lost cave in Ecuador said to hold metal tablets containing alien knowledge; the underground city of Derinkuyu in Turkey; Native American legends of "inner-earth" beings; and rumors of a secret U.S. Military-base supposedly built alongside aliens inside the Archuleta Mesa near Dulce, New Mexico.

Episode 10 : "Aliens and the Third Reich" (Original Airdate : November 25, 2010)

This episode speculates that Nazi Germany had experimented with advanced alien technology and built flying machines; such as the Haunebu and the Die Glocke (The Bell); and rumors that some of this technology may have made its way to the United States and helped jump start the Apollo program.

Episode 11 : "Alien Tech" (Original Airdate : December 2, 2010)

This episode proposes that some advanced weapon technologies currently in development, such as laser and sonic weapons, are rediscovered technologies used by advanced beings in the past. Also discussed are theories that aliens provided gravity manipulation devices to help man construct colossal stone structures around the world.

Episode 12 : "Angels and Aliens" (Original Airdate : December 9, 2010)

This episode looks at various stories of angelic visitations that to some ancient astronaut theorists read more like alien encounters than divine appearances, and suggests they are not supernatural beings, but visitors from distant planets.

Episode 13 : "Unexplained Structures" (Original Airdate : December 16, 2010)

This episode suggests that various sites around the world; such as Göbekli Tepe in Turkey; the Incan ruins of Sacsayhuamán in Peru; the Carnac stones of France; and Zorats Karer in Armenia, show construction techniques and mathematical concepts that were not believed to have been known at the time, and that this knowledge was gained from alien visitors.

Episode 14 : "Alien Devastations" (Original Airdate : December 23, 2010)

This episode surmises that aliens may have caused various disasters, as depicted in the Bible and other texts, or even tried to warn man of them; such as Noah of the Great Flood. Also proposed is that some disasters ushered changes in human evolution and that our leaps in technology over the centuries were achieved with alien help.

Episode 15 : "Alien Contacts" (Original Airdate : December 30, 2010)

This episode proposes that extraterrestrials may have contacted various humans throughout history, such as Moses and Joan of Arc, to help guide and inspire them to achieve great things; or to pass on important messages for humanity; such as a supposed binary message given to a UFO-contactee during the 1980 Rendlesham Forest incident who believes it is the coordinates to a mythical island called Hy-Brazil.

SOURCES :

http://en.wikipedia.org/wiki/Ancient_Aliens

http://www.history.com/shows/ancient-aliens