The third series of Ancient Aliens currently includes 15 installments, one hour length, that is airing in 2011.

"Did ancient aliens really help to shape our history..."

AncientAliensTitleCard Aliens and the Old West
Series Three 1 28 JUL 2011 History Channel
...and did the cowboys and natives of America's Wild West actually come in contact with alien beings from another, much more distant, frontier?
Opening with clips from the 2011 film 'Cowboys & Aliens', this episode looks at American Old West legends that may have involved ET contact, such as the Aurora, Texas UFO incident where a local cemetery claims to hold a body from an 1897 UFO crash; Native American legends surrounding the Serpent mound in Adams County, Ohio; reports of a Thunderbird that periodically emerged from California's Elizabeth Lake, and a story of ranchers shooting at "metallic birds" near Tombstone, Arizona. -- from Wikipedia

AncientAliensTitleCard Aliens and Monsters
Series Three 2 4 AUG 2011 History Channel
...and, if so, might the beasts and monsters of ancient legends really have been the product of an advanced, extraterrestrial intelligence?
This episode examines modern-day genetic engineering, cloning and hybridization technology, and suggests that such technology could have been used by ancient aliens in the past to manipulate mankind and the environment. Also theorized are that the legends of creatures, such as the Chimera and Hydra, and humanoids, such as the Minotaur and Medusa, may have been encounters with beings created through such alien animal/human hybrid experimentation. -- from Wikipedia

AncientAliensTitleCard Aliens and Sacred Places
Series Three 3 11 AUG 2011 History Channel
...and, if so, how did they influence the creation of mankind's sacred places?
This episode suggests that some of mankind's most sacred places were points of contact by alien beings. Examples given are Jerusalem's Temple Mount and Dome of the Rock; the Kaaba stone at the Islam shrine at Mecca; the temples of the Ajanta Caves in India; the churches of Lalibela, Ethiopia that are carved out of rock; and the ancient city of Baalbek in Lebanon which was allegedly built with a "landing pad" of monolithic rock. -- from Wikipedia

AncientAliensTitleCard Aliens and Temples of Gold
Series Three 4 18 AUG 2011 History Channel
...and, if so, might they have come here in search of gold?
This episode contends that aliens came to Earth to mine gold. Examined are the legends of cities of gold such as El Dorado and Paititi; Lake Puray in Peru where UFO sightings may be linked to gold beneath the lake; the gold-creating device called the Philosopher's Stone; the Hall of Records beneath the Great Sphinx of Giza, (suggested to be a repository of ancient knowledge); a Medieval church in the French village of Rennes-le-Chateau that may hold the secrets of alchemy; and Scotland's Rosslyn Chapel where a helix-shaped pillar, (suggested to represent DNA), may be the hiding place of the Holy Grail. -- from Wikipedia

AncientAliensTitleCard Aliens and Mysterious Rituals
Series Three 5 25 AUG 2011 History Channel
...and, if so, might we find the evidence in our most sacred rituals?
This episode proposes that various ancient sites and the rituals performed there were not to praise mythical gods, but to reenact contact and communication with alien beings. Examples given are the Mayan temple of El Castillo, Chichen Itza; the Celtic Beltane Festival; the ceremonies of the Kayapo people of Brazil that involve a dancer dressed in an outfit that resembles a spacesuit; Medieval coronation ceremonies and the symbolic meanings of thrones, crowns and scepters as communication devices to the heavens; Native American and Shamanistic chants and prayers; and the ritual meanings of the Catholic Mass. -- from Wikipedia

Vijayanagara1 Aliens and Ancient Engineers
Series Three 6 1 SEP 2011 History Channel
...and could the proof be found by examining the construction methods of our planet's ancient engineers?
This installment looks around the globe at ancient sites that bear examples of advanced construction by ancient cultures whose achievements in these megalithic monuments far surpasses their 'mainstream-stated' level of technology, such as: Ollantaytambo high in the Peruvian Andes, Teotihuacan in Mexico, Vijayanagara in India, the Karnak Temple Complex at Luxor in Egypt, and ancient ruins on, and under, the island of Malta in the Mediterranean.

AncientAliensTitleCard Aliens, Plagues and Epidemics
Series Three 7 8 SEP 2011 History Channel
...and could they even be the source of our deadliest epidemics?
This episode suggests that some plagues and diseases were brought on by pathogens of extraterrestrial origin. Examples given are sudden pandemics such as the Spanish Influenza, the Plague of Athens, the Justinian Plague and the Black Plague, which were accompanied by reports of unusual celestial phenomena, and the appearance of strange creatures and objects in the sky; ancient carvings of figures dressed in what are suggested to be hazmat suits; unexplained illnesses that have appeared after meteor impacts, NASA experiments with bacteria and extremophiles that can survive in the extreme conditions of space; and the recent appearance of unusual medical conditions such as Morgellons Disease. -- from Wikipedia

AncientAliensTitleCard Aliens and Lost Worlds
Series Three 8 15 SEP 2011 History Channel
...and might we find proof by searching for our planet's mysterious lost worlds?
This episode postulates that various past civilizations were ruled by otherworldly beings. Examined are carvings in the Mayan city of Copan that are suggested to depict kings dressed in spacesuits; the Greek and Persian temples of Nemrud Dagi in Turkey, constructed by King Antiochus who some believe had advanced knowledge of astronomy and access to "magical" technology; the Nazca people of Peru who elongated their skulls to possibly mimic beings they encountered; the Moai statues of Easter Island that may have been erected with anti-gravity technology, and the Garden of Eden which may have been an alien laboratory for the creation of mankind. -- from Wikipedia

AncientAliensTitleCard Aliens and Deadly Weapons
Series Three 9 22 SEP 2011 History Channel
...and might they have been responsible for the development of mankind's deadliest weapons?
This episode suggests that the development of various weapons throughout history may have been guided by aliens. Examined are ancient legends that speak of fire and the secrets of metalworking as gifts from the gods; stories of divine weapons such as Excalibur as possibly powered by an alien source; the mystery of Greek fire as a gift from angels for the Byzantines; the development of the complicated chemistry of gunpowder by the ancient Chinese; the writings of the Hindu Mahabharata describing weapons reminiscent of guided rockets, beam weapons and nuclear devices used by the gods; and the Cambodian tales of Preah Pisnulok who wielded a blazing sword reminiscent of the science-fictional lightsaber. -- from Wikipedia

AncientAliensTitleCard Aliens and Evil Places
Series Three 10 28 SEP 2011 History Channel
...and are they responsible for creating some of the world's most evil places?
This installment looks at some of the mysterious places around the globe that have a mysterious connection with deaths and strange occurrances, such as: a forest in Japan where people go to commit suicide, a mountain in Russia whose name translates as 'Do Not Go There' and an incident that took place there, a mountain in Australia that Aborigines call the 'Mountain of Death', a site in Siberia that may have more importance than the deaths of man and plants that happen there, and, as an example of explanation, a plant in New Mexico that stores nuclear/radioactive waste.

AA311-1 Aliens and The Founding Fathers
Series Three 11 5 OCT 2011 History Channel
...and could extraterrestrial forces have been behind the founding of the United States of America?
This installment presents theories and evidence relating to, mainly, George Washington, Thomas Jefferson and Benjamin Franklin in regards to their beliefs about extraterrestrial life. Also delved into are the relationship of Freemasonry to the Founding Fathers and the founding of the country, as well as to the planning and building of the nation's capital city, Washington, D.C., and it's monuments and key buildings.

AncientAliensTitleCard Aliens and Deadly Cults
Series Three 12 12 OCT 2011 History Channel
...and might they be behind mankind's deadliest cults?
This episode examines various cults around the world that have committed horrific acts and suggests that some may have been influenced by aliens with a sinister agenda. Examined are groups who claimed to receive messages from ETs such as the suicidal Heaven's Gate and the Order of the Solar Temple; the Movement for the Restoration of the Ten Commandments of God whose leader murdered 750 followers; the human sacrifice murders of Adolfo Constanzo who claimed worship of the "trickster god" Eshu; the mass-murderous Thuggee cult of India; the Christian Circumcellions suicide-sect; Aztec human sacrifice rituals, and the theory that humans were hard-wired through genetic manipulation to worship alien beings as gods. -- from Wikipedia

AA313-1 Aliens and the Secret Code
Series Three 13 19 OCT 2011 History Channel
...and, if so, did they leave behind a secret code, one which reveals mankind's extraterrestrial origins?
This episode theorizes that various megalithic structures around the Earth are connected to each other on a "world grid". the monuments of our ancient ancestors are thought to contain hidden messages in their architecture that trace their creation to a significantly more advanced origin. -- from Wikipedia

AncientAliensTitleCard Aliens and the Undead
Series Three 14 26 OCT 2011 History Channel
...and, if so, are there extraterrestrial origins in earthly stories of the undead?
This episode discusses the possibility of life after death and the beliefs associated with it in various cultures and raises the question of whether certain rituals can be attributed to ancient Aliens. -- from Wikipedia

AncientAliensTitleCard Aliens, Gods and Heroes
Series Three 15 16 NOV 2011 History Channel