All episodes
Jack the Ripper: The Evidence
Jack the Ripper: The Suspects
Jack the Ripper: The Victims
Thee Temple ov Psychick Youth
The Leopard Society
The Church of Euthanasia
Houska Castle
Tulpas
DMT (N,N-Dimethyltryptamine)
Addicted to Killing: The Story of Dr. Harold Frederick Shipman
"Killer Nurse" Charles Cullen
The Infant Murderer, Amelia Dyer
The Death of Rasputin, the Russian Mad Monk
Nature vs. Nurture: Identical Strangers
Real Cases of Amnesiac Fugue State
Quench: The Large Hadron Collider
The Russian Zombie Dog Experiments
Bat Bombs in American Warfare
The Massacre of Glencoe
"Nucky," Enoch L. Johnson
The Jeff Davis 8 Murders
Ichneumonidae Parasitoid Wasps
The Parasite Toxoplasma gondii
The Pitcher Plant Nepenthes attenboroughii
The Centralia Massacre
The Bataan Death March
The C.I.A. Psychology Behind Ghost Tape 10
The Sodder Children Disappearance
Fred William Bowerman, Notorious Bank Robber
St. Valentines Day Massacre
Charles Albright, Eyeball Ripper
The Bloody Benders, America's First Family of Serial Killers
Bewitched George Lukens
The Disappearance of Kaz II
The Stronsay Sea Beast
The Weird Yonaguni Underwater Monument
The Acquisition of the Universe
The Water Wars of 2218
Climate Change Since 2018
Mysterious Great Ark of Mt. Tsurugi
Eyewitness Account of An Egyptian City in the Grand Canyon
Petra, the Ancient City
The Vanishing of Louis Le Prince
The Disappearance of Frederick Valentich
Who Killed John Lang?
The Last Minutes of Air France Flight 447
The Crash of Japan Airlines Flight 123
Tenerife Airport Disaster of 1977
The Evil Aswang
The Ghost Monster, El Cucuy
The Shape-shifting Boggart
The Von Erich Family Curse
The Hapsburg Family Curse
The Curse of the Nepalese Royal Family
Roland T. Owen and Room 1046
Gloria Ramirez & DMSO
Tamam Shud and the Sommerset Man
The Witchcraft Trial of Malin Mattsdotter
Agnes Sampson and the North Berwick Witch Trials
Tituba, the First Salem Witch
Edgar Cayce, The Sleeping Prophet
The Oracle of Delphi
Baba Vanga, The Blind Bulgarian Mystic
The Holmesberg Prison Experiment
Pitesti Prison Torture Experiment
King Leopold II, Heartless Killer of the Congo
Ranavalona I: The Murderous, Mad Queen of Madagascar
Ivan the Terrible
The Legend of Hatto
The Child-Snatching Roggenwolf
Alp, The Nightmare Creature
The Brutality of the Ant Hill Kids
Superior Universal Alignment Cult
The Order of the Solar Temple
The Cursed Painting "The Crying Boy" by Giovanni Bragolin
Busby's Stoop Chair of Death
The Haunted Painting "The Hands Resist Him" by Bill Stoneham
King Tut's Cursed Tomb
The Bewildering Death of Blair Adams
The Unsolved Isabella Stewart Gardner Museum Robbery
Ed Gein, Butcher of Plainfield
Armin Meiwes, the Rottenburg Cannibal
Trepanning: Holes in the Head
The Medieval Zombies of Ireland
The Legend of Jiangshi, the Hopping Zombie
The Controlling Cordyceps Fungi
Dr. Richard Gallagher and "Julia," the Creepiest Exorcism
The Exorcism of Roland Doe
The Demoniac Michael Taylor
The Leviathan
Underwater Alien Humanoids on Earth
The Mysterious Sighting of the U-28 Creature
Aliens on the Moon
Clark McClelland's Nine Foot Alien & NASA
Tabby's Star (KIC 8462852)
The Chainsaw Professor
The Axeman of New Orleans
Richard Chase: Vampire of Sacramento
Nguoi Rung, the Rock Apes of Vietnam (Batutut)
The Alma, Mongolia's "Wild Man"