Monstrum · SEASON 7
Meet The Pacific Northwest’s Most Mysterious Killer
Episode 14 · 2025-12-04

- Documentary
Episode overview
You never see it—until it’s too late. The 19th-century lumberjack legend of the Hidebehind and other shadowy beings across cultures play on humanity’s fear of unseen monsters. Why are invisible threats so terrifying, and what do they reveal about the human mind?
10 minutes
Season 7 episodes
1. How This Thing Became a Modern Bigfoot2025-02-13
2. Why Are So Many People Seeing The Hat Man?2025-03-13
3. Why Does A Ghost Whale Terrorize The Japanese Coast?2025-04-10
4. Why Did Vampires Become Sexy?2025-05-08
5. The Terrifying Reign of the Beast of Gevaudan2025-06-05
6. The Most Puzzling UFO Case of the 20th Century2025-07-03
7. Real Life Monster Hunters Are More Hardcore Than Fiction2025-08-07
8. The Disturbing Reasons We Invent Monsters2025-09-04
9. These Mythical Monsters Turned Out To Be Real2025-09-18
10. The Cursed Monster Born From Slavery2025-09-30
11. The Deep Halloween Lore You Probably Don’t Know2025-10-09
12. A Monster Expert Breaks Down KPop Demon Hunters2025-11-04
13. A Monster Expert's Take on Mascot Horror2025-12-02
14. Meet The Pacific Northwest’s Most Mysterious Killer2025-12-04