48 - Incubation Day
Released on 05/19/2026
A woman at a routine medical checkup finds herself held captive as a public health risk.Â
CW: Includes themes and depictions of Body Horror & Transformation, Medical Anxiety, Medical Misogyny, Political Extremism & Violence, Government Suppression, and Potential Violence & Death.Â
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Starring Samantha Hunt, Jonathan Inbody, Shanda Gardner, and Eric Miller.Â
Written & Directed by Jonathan Inbody.Â
Editing & Sound Design by Jeff Lavin.Â
Music by Samantha Hunt.Â
Episode Art by Jon-Michael Marinell.Â
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Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/Â
If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify!Â
For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorrorÂ
Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorrorÂ
An Announcement
Released on 05/06/2026
After episode 50 in July, Gray Matter will be going on hiatus, with an intended return date of Summer 2027. Don't worry, though; Jon just needs time to write more episodes.Â
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Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/Â
If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify!Â
For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorrorÂ
Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorrorÂ
The Sunfall Train - Trailer
Released on 04/22/2026
Produced by and starring Gray Matter regular Charleston Harvey, The Sunfall Train is a pre-apocalyptic, queer western mystery audio drama. Listen to the first episode now, wherever you get your podcasts!Â
47 - The House on the Borderland
Released on 04/20/2026
A welfare check on an elderly recluse draws a man into an otherworldly conflict spanning decades and dimensions.Â
Adapted from "The House on the Borderland" by William Hope Hodgson.Â
CW: Includes themes and depictions of Cosmic Horror, Grief, Animal Attacks, Animal Endangerment, and Potential Violence & Death.Â
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Starring Harold Octavius Jacob, Sean C. Sanders, and Shanda Gardner.Â
Written & Directed by Jonathan Inbody.Â
Editing & Sound Design by Jeff Lavin.
Music by Samantha Hunt.Â
Episode Art by Jon-Michael Marinell.
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Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/Â
If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify!Â
For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorrorÂ
Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorrorÂ
46 - Eagle Eye
Released on 03/19/2026
A recently-disabled man trapped in his top-floor apartment tries to save a woman from the creature that lives in the city park below.Â
CW: Includes themes and depictions of Depression, Disability & Disfigurement, Economic Precarity, Social Murder, Animal Attacks, and Potential Violence & Death.Â
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Starring Griffin Schultz & Jessica Zwolak, with Andrea Inbody.Â
Additional creature sounds from Griffin Schultz.Â
Written & Directed by Jonathan Inbody.Â
Editing & Sound Design by Jeff Lavin.Â
Music by Samantha Hunt.Â
Episode Art by Jon-Michael Marinell.Â
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Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/Â
If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify!Â
For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorrorÂ
Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorrorÂ
45 - When Howls the Heart
Released on 02/11/2026
As a tornado bears down on them, two strangers in the aftermath of a one night stand are forced to get to know each other.Â
CW: Includes themes and depictions of Body Horror & Transformation, Natural Disasters, and Potential Violence & Death.Â
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Starring Allison Courtney & Brandon Machajewski.Â
Written & Directed by Jonathan Inbody.Â
Editing & Sound Design by Jeff Lavin.Â
Music by Samantha Hunt.Â
Episode Art by Jon-Michael Marinell.Â
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Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/Â
If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify!Â
For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorrorÂ
Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorrorÂ
What Do We Do?
Released on 01/26/2026
ICE must be abolished and its lawless agents prosecuted.
Take action now.Â
Tell your representatives to stop ICE's occupation of American cities! https://action.aclu.org/send-message/stop-ices-attack-our-communitiesÂ
Find community support groups to resist ICE: https://www.stopice.net/?rapidresponseteams=1
Donate to the ACLU and join action groups: https://www.aclu.org/action Â
Donate to the Minnesota Immigrant Rights Action Committee:Â https://www.miracmn.com/Â
Hotlines to report ICE raids in your area, report missing migrants, or seek help if you are at risk of abduction: https://nnirr.
Support human rights for immigrants: https://wearecasa.org/ https://www.
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44 - Fireflies
Released on 01/14/2026
An injured man awakens in a hospital ward to find his body undergoing a horrific change.Â
CW: Includes themes and depictions of Body Horror & Transformation, Pregnancy, Parasitic Infection, Sickness & Vomiting, Medical Anxiety, Gaslighting, Disfigurement & Disability, and Potential Violence & Death.Â
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Starring Jonathan Inbody and Andrea Inbody.Â
Written & Directed by Jonathan Inbody.Â
Editing & Sound Design by Jeff Lavin.Â
Music by Samantha Hunt.Â
Episode Art by Jon-Michael Marinell.Â
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Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/Â
If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify!Â
For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorrorÂ
Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorrorÂ
Christmas Bonus Reading - Lost Hearts by M.R. James
Released on 12/24/2025
Just in time for Christmas, Jon performs a reading of a classic M.R. James story of ghosts and grim occultism. Tis the season!Â
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Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/Â
If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify! Every review helps!
Join the Gray Matter Patreon at https://patreon.com/graymatterhorrorÂ
Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorrorÂ
43 - Life Story
Released on 12/15/2025
A man doubting the nature of reality confides in his therapist.Â
CW: Includes themes and depictions of Existential Horror, Mental Illness & Depression, Possible Psychosis, Substance Abuse, and Potential Violence & Death.Â
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Starring Andy Rich and Paul McGinnis.Â
Written & Directed by Jonathan Inbody.Â
Editing & Sound Design by Jeff Lavin.
Music by Samantha Hunt.Â
Episode Art by Jon-Michael Marinell.
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Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/Â
If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify! Every review helps!
Join the Gray Matter Patreon at https://patreon.com/graymatterhorrorÂ
Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorrorÂ
Gray Matter: An Acid Horror Anthology Podcast Ratings
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