Unknowable

50 episodes listed below

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Justine and Gray trade research on cryptids, prions and UFOs.

The gist

Justine and Gray take turns teaching each other strange cases, from Ogopogo and the Michigan Dogman to kuru, fatal insomnia and astronaut UFO reports. The research is easy to follow, and the reactions come fast: jokes, anxious asides and everyday comparisons that make grim or baffling material easier to take in.

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About Unknowable

Unknowable is a conversation between Justine and Gray about mysterious and plainly weird cases, and its best feature is how the two split the work. On some episodes, one large mystery gets broken down between them. On others, each picks a smaller mystery on a shared theme, researches it independently and then teaches it to the other. That second format explains a lot of the episode titles. Kuru shares an episode with fatal insomnia. Ogopogo shares one with the Michigan Dogman. The titles also show how wide the show ranges: Skinwalker Ranch, astronauts and aliens, the case of Gloria Ramirez, prion diseases, cryptids. Skinwalker Ranch ran to at least two parts, and the pair called that material foundational, something they expected to point back to. The excerpts show why the format works. The research comes in clear, easy pieces, such as the National Institute of Discovery Science observing the ranch from 1996 to 1998, or NASA pilot Joseph A. Walker saying one of his tasks on X-15 flights was to detect UFOs. Then the other voice reacts, asks a question, jokes or reaches for a comparison. That rhythm keeps even grim subjects moving. A passage on the stages of a prion disease lands hard, and both of them admit they would rather not picture it. A calf found torn open with no blood, reportedly in under an hour, turns into a real puzzle about what could have done it. The show is openly interested in the paranormal and makes no apology for it. Still, it stops to separate unidentified from alien and to weigh who is making a claim and why. The digressions are part of the appeal. One wanders into werewolf lore and a what-if about werewolves as a creature once confined to Europe, the way koalas are confined to Australia. In another, the Gloria Ramirez discussion turns to mass hysteria and to how differently trained hospital staff and an untrained, squeamish person might react around a sick patient. The tone is warm by default, with room for excitement, dry asides, anxiety and real gravity. Casual swearing comes with it. Small rituals fill in the rest: invitations to write in about sightings, pronunciations and episode ideas, a Patreon offering Mothman block prints handmade by Gray, and cheerful confusion about which episode number they are on. Episodes tend to end the same way, with a quick 'love you.'

Made for: Suits a listener who likes cryptid, UFO and paranormal cases explained in plain language by two people reacting in real time, and who is comfortable with frank medical detail and casual swearing.

What sets it apart: In its paired-mystery format, each voice researches a case alone and teaches it to the other, which produces odd pairings like kuru with fatal insomnia and Ogopogo with the Michigan Dogman. It also covers real medical mysteries next to the folklore, and it still separates unidentified from alien.

In their own words

We're a brother and sister duo that love to talk about the mysterious, unusual, and unknowable. Cryptids, unsolved murders and disappearances, UFOs, ghosts, conspiracy theories, demons... we love it all.

As heard by us

Based on 5 episodes we listened to · September 2026

Unknowable pairs researched cases with candid speculation, making strange testimony and unresolved mysteries approachable without pretending every question has an answer.

Justine and Gray turn strange cases into lively exchanges between research, reaction, and speculation. They alternate between sustained attention to a single mystery and paired subjects researched independently, moving from UFO testimony and Skinwalker Ranch to cryptids and rare…

Read our full review in PlayNext →

Why you'd press play

A werewolf stowaway to Michigan: Justine and Gray have found your next impossible argument.

Press play if you want

  • to follow a cryptid theory past the sighting and into the logistics
  • to hear astronaut UFO accounts without treating 'unidentified' as proof of aliens
Read the full recommendation in PlayNext →
Cryptids such as Ogopogo and the Michigan DogmanSkinwalker RanchAstronaut and NASA pilot UFO accountsPrion diseases like kuru and fatal insomniaCattle mutilationWerewolf loreMedical mysteries and mass hysteria

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Episodes

  1. 1

    Unknowable Episode 69: Ogopogo & Michigan Dogman

    Hidden gem

    Unknowable pairs Gray's account of the Michigan Dogman, first linked in the episode to an 1887 Wexford County sighting, with Justine's history of Ogopogo in British Columbia's 84-mile Okanagan Lake.

    Dec 12, 2021·1h 7m·5 clips
  2. 2

    Unknowable Episode 68: Jim Sullivan & Emanuela Orlandi

    Nov 28, 2021·1h 21m
  3. 3

    Unknowable Episode 67: Norwich University & The Vermont Pigman

    Nov 14, 2021·46m
  4. 4

    Unknowable Episode 66: Bael & Moloch

    Oct 31, 2021·1h 2m
  5. 5

    Unknowable Episode 65: The Case of Kathy Hobbs

    May 2, 2021·40m
  6. 6

    Unknowable Episode 64: Oil Pit Squid

    Apr 17, 2021·21m
  7. 7

    Unknowable Episode 63: The Dark Watchers

    Mar 26, 2021·54m
  8. 8

    Unknowable Episode 62: John Titor

    Mar 6, 2021·1h 14m
  9. 9

    Unknowable Episode 61: The Kecksburg UFO Incident

    Feb 14, 2021·51m
  10. 10

    Unknowable Episode 60: The Afterlife Part 3: Wrap-Up

    Jan 27, 2021·44m
  11. 11

    Unknowable Episode 59: The Afterlife Part 2: Heaven and Hell

    Jan 14, 2021·1h 18m
  12. 12

    Unknowable Episode 58: The Afterlife Part 1: Reincarnation

    Dec 31, 2020·1h 38m
  13. 13

    Unknowable Episode 57: Professor Haim Eshed & The Pentagon UFO Photo

    Dec 18, 2020·54m
  14. 14

    Unknowable Episode 56: The Boys on the Tracks

    Nov 20, 2020·1h 3m
  15. 15

    Unknowable Episode 55: Chicago's Mothman

    Nov 6, 2020·1h 36m
  16. 16

    Unknowable Episode 54: The Abandoned Village of Rastess

    Oct 22, 2020·46m
  17. 17

    Unknowable Episode 53: Griffith Park & The Devil's Tramping Ground

    Oct 8, 2020·43m
  18. 18

    Unknowable Episode 52: The Solway Firth Spaceman

    Sep 23, 2020·54m
  19. 19

    Unknowable Episode 51: The Disappearance of Lars Mittank

    Sep 10, 2020·59m
  20. 20

    Unknowable Episode 50: The Disappearance of Sneha Anne Philip

    Aug 26, 2020·1h 10m
  21. 21

    Unknowable Episode 49: The Axeman of New Orleans

    Aug 13, 2020·1h 34m
  22. 22

    Unknowable Episode 48: Australia's T. Rex

    Jul 29, 2020·49m
  23. 23

    Unknowable Episode 47: Aphantasia

    Jul 16, 2020·1h 2m
  24. 24

    Unknowable Episode 46: The Dancing Plague of 1518

    Jul 2, 2020·56m
  25. 25

    Unknowable Episode 45: The Salish Sea Feet

    May 27, 2020·1h 3m
  26. 26

    Unknowable Episode 44: The Beebe, Arkansas Bird Deaths

    May 13, 2020·43m
  27. 27

    Unknowable Episode 43: The Pocomoonshine Lake Monster & Cassie the Casco Bay Sea Serpent

    Apr 30, 2020·1h 4m
  28. 28

    Unknowable Episode 42: The Lead Masks Case

    Apr 15, 2020·1h 7m
  29. 29

    Unknowable Episode 41: The Disappearance of Carole Baskin's Husband, Don Lewis

    Apr 1, 2020·1h 32m
  30. 30

    Unknowable Episode 40: The Mongolian Death Worm

    Mar 18, 2020·42m
  31. 31

    Unknowable Episode 39: The Mandela Effect

    Mar 6, 2020·1h 49m
  32. 32

    Unknowable Episode 38: The Setagaya/Miyazawa Family Murders & The Boy in the Chimney

    Feb 20, 2020·1h 21m
  33. 33

    Unknowable Episode 37: The Jersey Devil

    Feb 6, 2020·1h 7m
  34. 34

    Unknowable Episode 36: The Denver International Airport

    Jan 22, 2020·2h 3m
  35. 35

    Unknowable Episode 35: The Somerton Man

    Jan 8, 2020·1h 45m
  36. 36

    Unknowable Episode 33: National Park Disappearances

    Jan 7, 2020·19m
  37. 37

    Unknowable Episode 32: The Mud Flood

    Jan 7, 2020·1h 1m
  38. 38

    Unknowable Episode 31: The Devil's Footprint

    Jan 7, 2020·11m
  39. 39

    Unknowable Episode 34: The Warminster Thing

    Jan 7, 2020·19m
  40. 40

    Unknowable Episode 30: The Exorcism of Roland Doe

    Oct 31, 2019·1h
  41. 41

    Unknowable Episode 29: The Bloody Pit

    Oct 16, 2019·37m
  42. 42

    Unknowable Episode 28: Black-Eyed Children

    Jul 18, 2019·59m
  43. 43

    Unknowable Episode 27: Skinwalker Ranch Part 3

    May 25, 2019·1h 4m
  44. 44

    Unknowable Episode 26: Skinwalker Ranch Part 2

    Hidden gem

    Unknowable shifts from the Shermans' account to Robert Bigelow's National Institute for Discovery Science, which bought Skinwalker Ranch for about $200,000 and sent investigators, veterinarians, and journalist George Knapp onto the property.

    May 9, 2019·1h 28m·5 clips
  45. 45

    Unknowable Episode 25: Skinwalker Ranch Part 1

    Apr 25, 2019·1h 39m
  46. 46

    Unknowable Episode 24: Gloria Ramirez aka "The Toxic Woman"

    Hidden gem

    Gloria Ramirez, called “the Toxic Woman,” arrived at Riverside General Hospital on February 19, 1994, and 23 people developed symptoms while 5 were hospitalized.

    Apr 17, 2019·34m·2 clips
  47. 47

    Unknowable Episode 23: Kuru and Fatal Insomnia

    Hidden gem

    Unknowable Episode 23 centers on prion diseases, starting with the problem that scientists do not know what normal prion protein does or why it misfolds into the abnormal form that damages brain tissue.

    Apr 3, 2019·49m·3 clips
  48. 48

    Unknowable Episode 22: Bigfoot

    Mar 27, 2019·1h 20m
  49. 49

    Unknowable Episode 21: Astronauts and Aliens

    Hidden gem

    Unknowable Episode 21 centers on astronauts describing UFOs, with Justine and Gray opening on Gordon Cooper's claim that radar instruments in the USA capture unknown objects every day.

    Mar 20, 2019·1h 9m·4 clips
  50. 50

    Unknowable Episode 20: The Zodiac Killer

    Mar 14, 2019·1h 42m