- S1.E0 ∙ Chariots, Gods and Beyond
- S1.E1 ∙ The Evidence
- S1.E2 ∙ The Visitors
- S1.E3 ∙ The Mission
- S1.E4 ∙ Closer Encounters
- S1.E5 ∙ The Return
- S2.E1 ∙ Mysterious Places
- S2.E2 ∙ Gods and Aliens
- S2.E3 ∙ Underwater Worlds
- S2.E4 ∙ Underground Aliens
- S2.E5 ∙ Aliens and the Third Reich
- S2.E6 ∙ Alien Tech
- S2.E7 ∙ Angels and Aliens
- S2.E8 ∙ Unexplained Structures
- S2.E9 ∙ Alien Devastations
- S2.E10 ∙ Alien Contacts
- S3.E1 ∙ Aliens and the Old West
- S3.E2 ∙ Aliens and Monsters
- S3.E3 ∙ Aliens and Sacred Places
- S3.E4 ∙ Aliens and Temples of Gold
- S3.E5 ∙ Aliens and Mysterious Rituals
- S3.E6 ∙ Aliens and Ancient Engineers
- S3.E7 ∙ Aliens, Plagues and Epidemics
- S3.E8 ∙ Aliens and Lost Worlds
- S3.E9 ∙ Aliens and Deadly Weapons
- S3.E10 ∙ Aliens and Evil Places
- S3.E11 ∙ Aliens and the Founding Fathers
- S3.E12 ∙ Aliens and Deadly Cults
- S3.E13 ∙ Aliens and the Secret Code
- S3.E14 ∙ Aliens and the Undead
- S3.E15 ∙ Aliens, Gods and Heroes
- S3.E16 ∙ Aliens and the Creation of Man
- S4.E1 ∙ The Mayan Conspiracy
- S4.E2 ∙ The Doomsday Prophecies
- S4.E3 ∙ The Greys
- S4.E4 ∙ Aliens and Mega-Disasters
- S4.E5 ∙ The NASA Connection
- S4.E6 ∙ Mystery of Puma Punku
- S4.E7 ∙ Aliens and Bigfoot
- S4.E8 ∙ The Da Vinci Conspiracy
- S4.E9 ∙ The Time Travelers
- S4.E10 ∙ Aliens and Dinosaurs
- S5.E1 ∙ Secrets of the Pyramids
- S5.E2 ∙ Aliens and Cover-Ups
- S5.E3 ∙ Alien Power Plants
- S5.E4 ∙ Destination Orion
- S5.E5 ∙ The Einstein Factor
- S5.E6 ∙ Secrets of the Tombs
- S5.E7 ∙ Prophets and Prophecies
- S5.E8 ∙ Beyond Nazca
- S5.E9 ∙ Strange Abductions
- S5.E10 ∙ The Von Däniken Legacy
- S5.E11 ∙ The Viking Gods
- S5.E12 ∙ The Monoliths
- S6.E1 ∙ The Power of Three
- S6.E2 ∙ The Crystal Skulls
- S6.E3 ∙ The Anunnaki Connection
- S6.E4 ∙ Magic of the Gods
- S6.E5 ∙ The Satan Conspiracy
- S6.E6 ∙ Alien Operations
- S6.E7 ∙ Emperors, Kings and Pharaohs
- S6.E8 ∙ Mysterious Relics
- S6.E9 ∙ Aliens and Forbidden Islands
- S6.E10 ∙ Aliens and the Lost Ark
- S6.E11 ∙ Aliens and Mysterious Mountains
- S7.E1 ∙ Aliens and Stargates
- S7.E2 ∙ Aliens in America
- S7.E3 ∙ The Star Children
- S7.E4 ∙ Treasures of the Gods
- S7.E5 ∙ Aliens and the Red Planet
- S7.E6 ∙ The Shamans
- S7.E7 ∙ Aliens and Insects
- S7.E8 ∙ Alien Breeders
- S8.E1 ∙ Alien Transports
- S8.E2 ∙ Mysterious Structures
- S8.E3 ∙ Mysterious Devices
- S8.E4 ∙ Faces of the Gods
- S8.E5 ∙ The Reptilians
- S8.E6 ∙ The Tesla Experiment
- S8.E7 ∙ The God Particle
- S8.E8 ∙ Alien Encounters
- S8.E9 ∙ Aliens and Superheroes
- S9.E1 ∙ Forbidden Caves
- S9.E2 ∙ Mysteries of the Sphinx
- S9.E3 ∙ Aliens Among Us
- S9.E4 ∙ The Genius Factor
- S9.E5 ∙ Secrets of the Mummies
- S9.E6 ∙ Alien Resurrections
- S9.E7 ∙ Alien Messages
- S9.E8 ∙ The Great Flood
- S9.E9 ∙ Aliens and the Civil War
- S9.E10 ∙ Hidden Pyramids
- S9.E11 ∙ The Vanishings
- S9.E12 ∙ The Alien Agenda
- S10.E1 ∙ Aliens B.C.
- S10.E2 ∙ NASA's Secret Agenda
- S10.E3 ∙ Aliens and Robots
- S10.E4 ∙ Dark Forces
- S10.E5 ∙ The Alien Evolution
- S10.E6 ∙ The Other Earth
- S10.E7 ∙ Creatures of the Deep
- S10.E8 ∙ Circles from the Sky
- S10.E9 ∙ The Alien Wars
- S10.E10 ∙ The Forbidden Zones
- S11.E1 ∙ Pyramids of Antarctica
- S11.E2 ∙ Destination Mars
- S11.E3 ∙ The Next Humans
- S11.E4 ∙ The New Evidence
- S11.E5 ∙ The Visionaries
- S11.E6 ∙ Decoding the Cosmic Egg
- S11.E7 ∙ The Wisdom Keepers
- S11.E8 ∙ The Mysterious Nine
- S11.E9 ∙ The Hidden Empire
- S11.E10 ∙ The Prototypes
- S11.E11 ∙ Space Station Moon
- S11.E12 ∙ Russia's Secret Files
- S11.E13 ∙ Beyond Roswell
- S11.E14 ∙ The Returned
- S11.E15 ∙ Shiva the Destroyer
- S12.E1 ∙ The Alien Hunters
- S12.E2 ∙ Forged by the Gods
- S12.E3 ∙ The Mystery of Rudloe Manor
- S12.E4 ∙ The Alien Architects
- S12.E5 ∙ The Pharaohs' Curse
- S12.E6 ∙ The Science Wars
- S12.E7 ∙ City of the Gods
- S12.E8 ∙ The Alien Frequency
- S12.E9 ∙ The Majestic Twelve
- S12.E10 ∙ The Akashic Record
- S12.E11 ∙ Voices of the Gods
- S12.E12 ∙ The Animal Agenda
- S12.E13 ∙ The Replicants
- S12.E14 ∙ A Spaceship Made of Stone
- S12.E15 ∙ The Alien Disks
- S12.E16 ∙ Return to Gobekli Tepe
- S13.E1 ∙ The UFO Conspiracy
- S13.E2 ∙ Da Vinci's Forbidden Codes
- S13.E3 ∙ The Alien Protocols
- S13.E4 ∙ Earth's Black Holes
- S13.E5 ∙ The Desert Codes
- S13.E6 ∙ Area 52
- S13.E7 ∙ Earth Station Egypt
- S13.E8 ∙ Island of the Giants
- S13.E9 ∙ The Taken
- S13.E10 ∙ The Sentinels
- S13.E11 ∙ Russia Declassified
- S13.E12 ∙ They Came from the Sky
- S13.E13 ∙ The Artificial Human
- S13.E14 ∙ The Alien Phenomenon
- S13.E15 ∙ Return to Mars
- S14.E1 ∙ Return to Antarctica
- S14.E2 ∙ The Badlands Guardian
- S14.E3 ∙ Element 115
- S14.E4 ∙ The Star Gods of Sirius
- S14.E5 ∙ They Came from the Sea
- S14.E6 ∙ Secrets of the Maya
- S14.E7 ∙ The Druid Connection
- S14.E8 ∙ The Reptilian Agenda
- S14.E9 ∙ The Alien Infection
- S14.E10 ∙ Project Hybrid
- S14.E11 ∙ The Trans-Dimensionals
- S14.E12 ∙ Islands of Fire
- S14.E13 ∙ The Constellation Code
- S14.E14 ∙ The Nuclear Agenda
- S14.E15 ∙ The Alien Mountain
- S14.E16 ∙ The Alien Brain
- S14.E17 ∙ The Secrets of Stonehenge
- S14.E18 ∙ Food of the Gods
- S14.E19 ∙ Human Hieroglyphs
- S14.E20 ∙ The Storming of Area 51
- S14.E21 ∙ Countdown to Disclosure
- S14.E22 ∙ Secrets of the Exoplanets
- S15.E1 ∙ The Mystery of Nan Madol
- S15.E2 ∙ The Relics of Roswell
- S15.E3 ∙ Destination Chile
- S15.E4 ∙ The Real Men in Black
- S15.E5 ∙ The Mystery of the Stone Giants
- S15.E6 ∙ The World Before Time
- S15.E7 ∙ They Came from The Pleiades
- S15.E8 ∙ The Immortality Machine
- S15.E9 ∙ The Shapeshifters
- S15.E10 ∙ The Mystery of Skinwalker Ranch
- S15.E11 ∙ The Ultimate Guide to UFOs
- S15.E12 ∙ Aliens and the Presidents
- S16.E1 ∙ The Divine Number
- S16.E2 ∙ The Lost Kingdom
- S16.E3 ∙ The Galactic Keyhole
- S16.E4 ∙ Giants of the Mediterranean
- S16.E5 ∙ The Forbidden Bible
- S16.E6 ∙ William Shatner Meets Ancient Aliens
- S16.E7 ∙ Impossible Artifacts
- S16.E8 ∙ The Space Travelers
- S16.E9 ∙ The UFO Pioneers
- S16.E10 ∙ The Harmonic Code
- S16.E14 ∙ The Alien Shape
- S17.E1 ∙ The Lost City of Peru
- S17.E2 ∙ Top Ten Mysterious Sites
- S17.E3 ∙ Top Ten Alien Cover-Ups
- S17.E4 ∙ The Mystery of Mount Shasta
- S17.E5 ∙ The Human Experiment
- S17.E6 ∙ Top Ten Alien Encounters
- S17.E7 ∙ Top Ten Alien Artifacts
- S18.E1 ∙ The Disclosure Event
- S18.E2 ∙ Mystery of the Standing Stones
- S18.E3 ∙ Beneath the Sacred Temples
- S18.E4 ∙ The World on Alert
- S18.E5 ∙ Recovering The Ark Of The Covenant
- S18.E6 ∙ Secrets Of The Star Ancestors
- S18.E7 ∙ Alien Air Force
- S18.E8 ∙ The Shadow People
- S18.E9 ∙ Decoding the Dragon Gods
- S18.E10 ∙ The Time Benders
- S18.E11 ∙ Incredible Structures
- S18.E12 ∙ Extraordinary Encounters
- S18.E13 ∙ Decoding the Alien Glyphs
- S18.E14 ∙ The UFO Investigations
- S18.E15 ∙ Mysterious Artifacts
- S18.E16 ∙ Evidence of Alien Life
- S18.E17 ∙ The Shining Ones
- S18.E18 ∙ The Journey to Immortality
- S18.E19 ∙ Secrets of Inner Earth
- S18.E20 ∙ Return of the Egyptian Gods
- S19.E1 ∙ UFO Hotspots
- S19.E2 ∙ The Crop Circle Code
- S19.E3 ∙ Mystery of the Lost Civilization
- S19.E4 ∙ The Power of the Obelisks
- S19.E5 ∙ The MUFON Files
- S19.E6 ∙ Cosmic Impacts
- S19.E7 ∙ Close Encounters of the Fifth Kind
- S19.E8 ∙ The Mysteries of Alaska
- S19.E9 ∙ Aliens in our Airspace
- S19.E10 ∙ The Giants of Malta
- S19.E11 ∙ The Top Ten Pyramid Sites
- S19.E12 ∙ The Top Ten Mysterious Devices
- S19.E13 ∙ The Top Ten Mysterious Islands
- S19.E14 ∙ The Top Ten Alien Craft
- S19.E15 ∙ Edgar Cayce: The Sleeping Prophet
- S19.E16 ∙ The Gods of Greece
- S19.E17 ∙ The New UFO Hunters
- S19.E18 ∙ Power of the Talisman
- S19.E19 ∙ The Top Ten Mysteries of the Deep
- S19.E20 ∙ The Top Ten Alien Petroglyphs
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