Season 1
S1.E1 ∙ Other VoicesS1.E2 ∙ Strange VisitorsS1.E3 ∙ Ancient AviatorsS1.E4 ∙ The Bermuda TriangleS1.E5 ∙ BigfootS1.E6 ∙ Killer BeesS1.E7 ∙ EarthquakesS1.E8 ∙ The Mummy's CurseS1.E9 ∙ MartiansS1.E10 ∙ AtlantisS1.E11 ∙ Psychic DetectivesS1.E12 ∙ A Call from SpaceS1.E13 ∙ Learning ESPS1.E14 ∙ Nazi PlunderS1.E15 ∙ Amelia EarhartS1.E16 ∙ DraculaS1.E17 ∙ The Easter Island MassacreS1.E18 ∙ GhostsS1.E19 ∙ Life After DeathS1.E20 ∙ The Loch Ness MonsterS1.E21 ∙ UFOsS1.E22 ∙ VoodooS1.E23 ∙ Inca TreasureS1.E24 ∙ The Magic of Stonehenge
Season 2
S2.E1 ∙ The Lost Dutchman MineS2.E2 ∙ The Man Who Would Not DieS2.E3 ∙ FirewalkersS2.E4 ∙ Mayan MysteriesS2.E5 ∙ AstrologyS2.E6 ∙ Michael RockefellerS2.E7 ∙ HurricanesS2.E8 ∙ The Ogopogo MonsterS2.E9 ∙ Pyramid SecretsS2.E10 ∙ The Dead Sea ScrollsS2.E11 ∙ ReincarnationS2.E12 ∙ The Shark WorshippersS2.E13 ∙ AnastasiaS2.E14 ∙ The Secrets of LifeS2.E15 ∙ ImmortalityS2.E16 ∙ The Swamp MonsterS2.E17 ∙ HypnosisS2.E18 ∙ TroyS2.E19 ∙ Witch DoctorsS2.E20 ∙ Haunted CastlesS2.E21 ∙ Butch CassidyS2.E22 ∙ Deadly AntsS2.E23 ∙ The Coming Ice AgeS2.E24 ∙ The Garden of Eden
Season 3
S3.E1 ∙ UFO CaptivesS3.E2 ∙ TornadoesS3.E3 ∙ CloningS3.E4 ∙ Water SeekersS3.E5 ∙ Jack the RipperS3.E6 ∙ CryogenicsS3.E7 ∙ Siberian FireballS3.E8 ∙ The Great Lakes TriangleS3.E9 ∙ Monster HuntersS3.E10 ∙ Bermuda Triangle PiratesS3.E11 ∙ Indian AstronomersS3.E12 ∙ Sherlock HolmesS3.E13 ∙ Lost VikingsS3.E14 ∙ Dreams and NightmaresS3.E15 ∙ Animal E.S.P.S3.E16 ∙ The Money Pit MysteryS3.E17 ∙ Psychic Sea HuntS3.E18 ∙ The Angel of DeathS3.E19 ∙ Noah's FloodS3.E20 ∙ The Diamond CurseS3.E21 ∙ Ghostly StakeoutS3.E22 ∙ Brain PowerS3.E23 ∙ Sodom and GomorrahS3.E24 ∙ King Tut
Season 4
S4.E1 ∙ Tidal WavesS4.E2 ∙ Carlos: The Most Wanted Man in the WorldS4.E3 ∙ The Amityville HorrorS4.E4 ∙ U.F.O. AustraliaS4.E5 ∙ Immortal SharksS4.E6 ∙ The Lost Colony of RoanokeS4.E7 ∙ The Shroud of TurinS4.E8 ∙ Mexican PyramidsS4.E9 ∙ The Abominable SnowmanS4.E10 ∙ PompeiiS4.E11 ∙ D.B. CooperS4.E12 ∙ The Ten CommandmentsS4.E13 ∙ The Dark StarS4.E14 ∙ The San Andreas FaultS4.E15 ∙ The Missing HeirS4.E16 ∙ Vincent Van GoghS4.E17 ∙ Wild ChildrenS4.E18 ∙ The Ghost ShipS4.E19 ∙ Earth VisitorsS4.E20 ∙ John the BaptistS4.E21 ∙ Air Disaster PredictionsS4.E22 ∙ The Bimini WallS4.E23 ∙ Glenn MillerS4.E24 ∙ Past Lives
Season 5
S5.E1 ∙ UFO CoverupsS5.E2 ∙ Faith HealingS5.E3 ∙ Lee Harvey OswaldS5.E4 ∙ Daredevil Death WishS5.E5 ∙ Life After LifeS5.E6 ∙ Moon MadnessS5.E7 ∙ Dangerous VolcanoesS5.E8 ∙ The Lindbergh KidnappingS5.E9 ∙ AcupunctureS5.E10 ∙ Jimmy HoffaS5.E11 ∙ Fountain of YouthS5.E12 ∙ Laugh TherapyS5.E13 ∙ Salem WitchesS5.E14 ∙ Super ChildrenS5.E15 ∙ The Great Wall of ChinaS5.E16 ∙ The Castle of SecretsS5.E17 ∙ Great LoversS5.E18 ∙ The Holy GrailS5.E19 ∙ The Death of Marilyn MonroeS5.E20 ∙ Chinese ExplorersS5.E21 ∙ The Hindenburg MysteryS5.E22 ∙ The End of the WorldS5.E23 ∙ The LusitaniaS5.E24 ∙ Sun Worshippers
Season 6
S6.E1 ∙ Jesse JamesS6.E2 ∙ BiofeedbackS6.E3 ∙ Ghosts in PhotographyS6.E4 ∙ M.I.A.'sS6.E5 ∙ The Elephant ManS6.E6 ∙ The Lincoln ConspiracyS6.E7 ∙ Jim JonesS6.E8 ∙ King Solomon's MinesS6.E9 ∙ The Tower of London MurdersS6.E10 ∙ The Aztec ConquestS6.E11 ∙ Houdini's SecretsS6.E12 ∙ Hiroshima SurvivorsS6.E13 ∙ The TitanicS6.E14 ∙ Future LifeS6.E15 ∙ NostradamusS6.E16 ∙ Spirit VoicesS6.E17 ∙ The Human AuraS6.E18 ∙ The Missing LinkS6.E19 ∙ Time and Space TravelS6.E20 ∙ Eva BraunS6.E21 ∙ The Walls of JerichoS6.E22 ∙ Bishop PikeS6.E23 ∙ The Ultimate DisasterS6.E24 ∙ Life Before Birth