Taylor tells Josie about Camp Century, the U.S. military's once-innovative, now-abandoned science base in northwestern Greenland—and how it was merely a cover for Project Iceworm, a top-secret Cold War plan to hide hundreds of nuclear weapons within the Greenland Ice Sheet.

Josie tells Taylor about the hidden history of the classic board game Monopoly, and how Parker Brothers covered up its unlikely roots as the anti-monopolist polemic, The Landlord's Game.

Season six premiere! Taylor tells Josie about the temperamental Tudor King of England, Henry VIII, and his six ill-fated wives: Catherine of Aragon, Anne Boleyn, Jane Seymour, Anne of Cleves, Catherine Howard, and Catherine Parr.

Josie Margaret Mitchell, Taylor Mitchell Basso, and guest host Mitchell Charles Collins ring in Mitchmas, a made-up holiday celebrating people named Mitchell, by exchanging infamous stories—including a compendium of psychic pets, the surprising history of Christmas tree tinsel, and how a song that came to its writer in a nightmare became Natalie Imbruglia's 1997 smash hit "Torn."

Trick-or-Treat Infamy + season finale! Josie tells Taylor about the dramatic life and times of English novelist Mary Shelley, and the infamous origins of her Gothic masterpiece, Frankenstein; or, The Modern Prometheus. Plus: is your Labubu a conduit for an ancient Mesopotamian demon? Find out in the final minfamous of season five!

Trick-or-Treat Infamy! Taylor tells Josie about Albert Johnson (not his real name), the mysterious outlaw who led Mounties on an explosive and deadly winter manhunt through Canada's Yukon and Northwest Territories. Plus: unpacking Taylor's trip to the Yukon, including the community of Carcross, population: 300, where the ghosts of Bessie Gideon and her parrot Polly haunt the century-old Caribou Hotel.

Big Skookum B.C. Road Trip! In this special episode, Josie tells Taylor about the Sons of Freedom (a.k.a. the Freedomites), the religious sect with an affinity for public nudity and arson, and the history of the Doukhobors in British Columbia. Plus: join Josie, Taylor, and special guests Lucia Misch and Ruy Gonzalez as they wrap up the Big Skookum B.C. Road Trip, including stops at the South Enderby Flea Market, a Keremeos curio shop, and the party capital of Canada: Kelowna-fornia!

Big Skookum B.C. Road Trip! Josie, Taylor, and special guests Lucia Misch and Ruy Gonzalez travel around Canada's beautiful westernmost province, British Columbia, with stops including the legendary Shambhala Music Festival in Salmo, a gusty ferry ride across Upper Arrow Lake, and a dip in the river-fed Lussier Hot Springs! Plus: Taylor loses a family heirloom, Josie gets some good news from home, Lucia spearheads a heroic rescue effort, and Ruy drinks too much prune juice.