EP1 - Extraordinary Engineering EP2 - Ancient Close Encounters EP3 - Sky Gods and Star Beings EP4 - Human Genesis EP5 - Mysterious Underground Worlds EP6 - Alien Arsenal EP7 - Mystery of the Pyramids EP8 - Alien Observatories EP9 - Extraterrestrial Devices (Alien Technology) EP10 - Submerged Evidence EP11 - Alien Beacons EP12 - Alien Messengers