• S1.E1 ∙ Other Voices
• S1.E2 ∙ Strange Visitors
• S1.E3 ∙ Ancient Aviators
• S1.E4 ∙ The Bermuda Triangle
• S1.E5 ∙ Bigfoot
• S1.E6 ∙ Killer Bees
• S1.E7 ∙ Earthquakes
• S1.E8 ∙ The Mummy's Curse
• S1.E9 ∙ Martians
• S1.E10 ∙ Atlantis
• S1.E11 ∙ Psychic Detectives
• S1.E12 ∙ A Call from Space
• S1.E13 ∙ Learning ESP
• S1.E14 ∙ Nazi Plunder
• S1.E15 ∙ Amelia Earhart
• S1.E16 ∙ Dracula
• S1.E17 ∙ The Easter Island Massacre
• S1.E18 ∙ Ghosts
• S1.E19 ∙ Life After Death
• S1.E20 ∙ The Loch Ness Monster
• S1.E21 ∙ UFOs
• S1.E22 ∙ Voodoo
• S1.E23 ∙ Inca Treasure
• S1.E24 ∙ The Magic of Stonehenge

• S2.E1 ∙ The Lost Dutchman Mine
• S2.E2 ∙ The Man Who Would Not Die
• S2.E3 ∙ Firewalkers
• S2.E4 ∙ Mayan Mysteries
• S2.E5 ∙ Astrology
• S2.E6 ∙ Michael Rockefeller
• S2.E7 ∙ Hurricanes
• S2.E8 ∙ The Ogopogo Monster
• S2.E9 ∙ Pyramid Secrets
• S2.E10 ∙ The Dead Sea Scrolls
• S2.E11 ∙ Reincarnation
• S2.E12 ∙ The Shark Worshippers
• S2.E13 ∙ Anastasia
• S2.E14 ∙ The Secrets of Life
• S2.E15 ∙ Immortality
• S2.E16 ∙ The Swamp Monster
• S2.E17 ∙ Hypnosis
• S2.E18 ∙ Troy
• S2.E19 ∙ Witch Doctors
• S2.E20 ∙ Haunted Castles
• S2.E21 ∙ Butch Cassidy
• S2.E22 ∙ Deadly Ants
• S2.E23 ∙ The Coming Ice Age
• S2.E24 ∙ The Garden of Eden

• S3.E1 ∙ UFO Captives
• S3.E2 ∙ Tornadoes
• S3.E3 ∙ Cloning
• S3.E4 ∙ Water Seekers
• S3.E5 ∙ Jack the Ripper
• S3.E6 ∙ Cryogenics
• S3.E7 ∙ Siberian Fireball
• S3.E8 ∙ The Great Lakes Triangle
• S3.E9 ∙ Monster Hunters
• S3.E10 ∙ Bermuda Triangle Pirates
• S3.E11 ∙ Indian Astronomers
• S3.E12 ∙ Sherlock Holmes
• S3.E13 ∙ Lost Vikings
• S3.E14 ∙ Dreams and Nightmares
• S3.E15 ∙ Animal E.S.P.
• S3.E16 ∙ The Money Pit Mystery
• S3.E17 ∙ Psychic Sea Hunt
• S3.E18 ∙ The Angel of Death
• S3.E19 ∙ Noah's Flood
• S3.E20 ∙ The Diamond Curse
• S3.E21 ∙ Ghostly Stakeout
• S3.E22 ∙ Brain Power
• S3.E23 ∙ Sodom and Gomorrah
• S3.E24 ∙ King Tut

• S4.E1 ∙ Tidal Waves
• S4.E2 ∙ Carlos: The Most Wanted Man in the World
• S4.E3 ∙ The Amityville Horror
• S4.E4 ∙ U.F.O. Australia
• S4.E5 ∙ Immortal Sharks
• S4.E6 ∙ The Lost Colony of Roanoke
• S4.E7 ∙ The Shroud of Turin
• S4.E8 ∙ Mexican Pyramids
• S4.E9 ∙ The Abominable Snowman
• S4.E10 ∙ Pompeii
• S4.E11 ∙ D.B. Cooper
• S4.E12 ∙ The Ten Commandments
• S4.E13 ∙ The Dark Star
• S4.E14 ∙ The San Andreas Fault
• S4.E15 ∙ The Missing Heir
• S4.E16 ∙ Vincent Van Gogh
• S4.E17 ∙ Wild Children
• S4.E18 ∙ The Ghost Ship
• S4.E19 ∙ Earth Visitors
• S4.E20 ∙ John the Baptist
• S4.E21 ∙ Air Disaster Predictions
• S4.E22 ∙ The Bimini Wall
• S4.E23 ∙ Glenn Miller
• S4.E24 ∙ Past Lives

• S5.E1 ∙ UFO Coverups
• S5.E2 ∙ Faith Healing
• S5.E3 ∙ Lee Harvey Oswald
• S5.E4 ∙ Daredevil Death Wish
• S5.E5 ∙ Life After Life
• S5.E6 ∙ Moon Madness
• S5.E7 ∙ Dangerous Volcanoes
• S5.E8 ∙ The Lindbergh Kidnapping
• S5.E9 ∙ Acupuncture
• S5.E10 ∙ Jimmy Hoffa
• S5.E11 ∙ Fountain of Youth
• S5.E12 ∙ Laugh Therapy
• S5.E13 ∙ Salem Witches
• S5.E14 ∙ Super Children
• S5.E15 ∙ The Great Wall of China
• S5.E16 ∙ The Castle of Secrets
• S5.E17 ∙ Great Lovers
• S5.E18 ∙ The Holy Grail
• S5.E19 ∙ The Death of Marilyn Monroe
• S5.E20 ∙ Chinese Explorers
• S5.E21 ∙ The Hindenburg Mystery
• S5.E22 ∙ The End of the World
• S5.E23 ∙ The Lusitania
• S5.E24 ∙ Sun Worshippers

• S6.E1 ∙ Jesse James
• S6.E2 ∙ Biofeedback
• S6.E3 ∙ Ghosts in Photography
• S6.E4 ∙ M.I.A.'s
• S6.E5 ∙ The Elephant Man
• S6.E6 ∙ The Lincoln Conspiracy
• S6.E7 ∙ Jim Jones
• S6.E8 ∙ King Solomon's Mines
• S6.E9 ∙ The Tower of London Murders
• S6.E10 ∙ The Aztec Conquest
• S6.E11 ∙ Houdini's Secrets
• S6.E12 ∙ Hiroshima Survivors
• S6.E13 ∙ The Titanic
• S6.E14 ∙ Future Life
• S6.E15 ∙ Nostradamus
• S6.E16 ∙ Spirit Voices
• S6.E17 ∙ The Human Aura
• S6.E18 ∙ The Missing Link
• S6.E19 ∙ Time and Space Travel
• S6.E20 ∙ Eva Braun
• S6.E21 ∙ The Walls of Jericho
• S6.E22 ∙ Bishop Pike
• S6.E23 ∙ The Ultimate Disaster
• S6.E24 ∙ Life Before Birth