Buffalo Bill Burial Riddle, First Dino Egg and Arctic Murder Mystery (S21E12)

S21E01 Lord Lucan, World's Greatest Drag Racer and Lighthouse Lifesaver S21E02 Frightening Foo Fighters, Bird's Eye Spy and Coral Castle Mystery S21E03 Titanic Baker, Psychic Scammer and Cuban Swimmer Crisis S21E04 Ghost of Katie King, Lake Erie Monster and Secret Stowaway S21E05 Killer Space Germs, The Yeti's Hand and The Bug That Changed History S21E06 Murder at Greystone, Paulding Light and Tumbleweed Tycoon S21E07 Skyscraper Seance, Frozen Woman and Black Widow S21E08 Doppelgangers, Salem's Curse and White House Attack S21E09 Knocking Ghost, Superman Saves the Day and Sleeping Dragon S21E10 Ball of Mystery, Dark Side of the Moon and Fakespeare S21E11 Ancient Alien, Killer's Curse and Ground Zero Ship S21E12 Buffalo Bill Burial Riddle, First Dino Egg and Arctic Murder Mystery S21E13 Geostorm Inferno, The Typo That Won the War and The Death of Princess Di