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Insights are generated by CastFox AI using publicly available data, episode content, and proprietary models.
Est. Listeners
Based on iTunes & Spotify (publisher stats).
- Per-Episode Audience
Est. listeners per new episode within ~30 days
1,001 - 10,000 - Monthly Reach
Unique listeners across all episodes (30 days)
5,001 - 25,000 - Active Followers
Loyal subscribers who consistently listen
501 - 5,000
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* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
On the show
Recent episodes
The Sunfall Train - Trailer
Apr 22, 2026
Unknown duration
47 - The House on the Borderland
Apr 20, 2026
Unknown duration
46 - Eagle Eye
Mar 19, 2026
Unknown duration
45 - When Howls the Heart
Feb 11, 2026
Unknown duration
What Do We Do?
Jan 26, 2026
Unknown duration
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| Date | Episode | Description | Length | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 4/22/26 |  The Sunfall Train - Trailer | 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! https://open.spotify.com/show/5ygliEgJVeeVgtfRJXlDpY | — | ||||||
| 4/20/26 |  47 - The House on the Borderland | A welfare check on an elderly recluse draws a man into an otherworldly conflict spanning decades and dimensions. Adapted from "The House on the Borderland" by William Hope Hodgson. CW: Includes themes and depictions of Cosmic Horror, Grief, Animal Attacks, Animal Endangerment, and Potential Violence & Death. Starring Harold Octavius Jacob, Sean C. Sanders, and Shanda Gardner. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify! For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 3/19/26 |  46 - Eagle Eye | 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. CW: Includes themes and depictions of Depression, Disability & Disfigurement, Economic Precarity, Social Murder, Animal Attacks, and Potential Violence & Death. Starring Griffin Schultz & Jessica Zwolak, with Andrea Inbody. Additional creature sounds from Griffin Schultz. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify! For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 2/11/26 |  45 - When Howls the Heart | 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. CW: Includes themes and depictions of Body Horror & Transformation, Natural Disasters, and Potential Violence & Death. Starring Allison Courtney & Brandon Machajewski. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify! For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 1/26/26 |  What Do We Do? | ICE must be abolished and its lawless agents prosecuted. Take action now. Tell your representatives to stop ICE's occupation of American cities! https://action.aclu.org/send-message/stop-ices-attack-our-communities 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 Donate to the Minnesota Immigrant Rights Action Committee: https://www.miracmn.com/ Hotlines to report ICE raids in your area, report missing migrants, or seek help if you are at risk of abduction: https://nnirr.wpengine.com/education-resources/community-resources-legal-assistance-recursos-comunitarios-asistencia-legal/immigration-hotlines-lineas-directas-de-inmigracion/ Support human rights for immigrants: https://wearecasa.org/ https://www.americanimmigrationcouncil.org/ https://aijustice.org/ | — | ||||||
| 1/14/26 |  44 - Fireflies | An injured man awakens in a hospital ward to find his body undergoing a horrific change. CW: Includes themes and depictions of Body Horror & Transformation, Pregnancy, Parasitic Infection, Sickness & Vomiting, Medical Anxiety, Gaslighting, Disfigurement & Disability, and Potential Violence & Death. Starring Jonathan Inbody and Andrea Inbody. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ If you like the show, leave us a 5-star rating and review on Apple Podcasts or Spotify! For ad-free episodes, behind the scenes commentaries, and more, join the Gray Matter Patreon at https://patreon.com/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 12/24/25 | Christmas Bonus Reading - Lost Hearts by M.R. James | Just in time for Christmas, Jon performs a reading of a classic M.R. James story of ghosts and grim occultism. Tis the season! Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 12/15/25 |  43 - Life Story | A man doubting the nature of reality confides in his therapist. CW: Includes themes and depictions of Existential Horror, Mental Illness & Depression, Possible Psychosis, Substance Abuse, and Potential Violence & Death. Starring Andy Rich and Paul McGinnis. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 11/11/25 |  42 - The Loan Sharks | A grieving man makes a bad deal... and has to pay for it. CW: Includes themes and depictions of Automotive Violence, Grief, Spousal Death, Existential Horror, Child Endangerment, and Potential Violence & Death. Starring Jonathan Inbody, Mark Bogumil, Sean C. Sanders, Andrea Inbody, Eric Miller and Jo O'Donnell. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 10/28/25 | Halloween Bonus Reading - The Tell-Tale Heart by Edgar Allan Poe | In this, the spookiest of seasons, Jon performs a reading of Edgar Allan Poe's classic tale of mania, murder, and guilt: 1843's The Tell-Tale Heart. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
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| 10/13/25 |  41 - Hollow | A single father taking his young son trick-or-treating in the rural countryside must contend with the truth behind a local legend. Adapted from "The Legend of Sleepy Hollow," by Washington Irving. CW: Includes themes and depictions of Child Endangerment, Body Horror & Transformation, and Potential Violence & Death. Starring Justin Pope, Dean Puleo, and Eric Miller, with additional Horseman sounds by Sean C. Sanders. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 9/15/25 |  40 - The Wound Man | An amnesiac is pursued through a closed summer camp by a mysterious cult. CW: Includes themes and depictions of Body Horror & Transformation, Religious Horror, Cannibalism, Torture, Gun Violence, and Potential Violence & Death. Starring Brandon Machajewski, Dean Puleo, Jonathan Inbody, Sean C. Sanders, and Samantha Hunt. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 8/20/25 | S.O.L. Wrap-Up & Bonus Reading #3 - Nyarlathotep & History of the Necronomicon | The Summer of Lovecraft comes to an end with Jon's readings of two short Lovecraft stories - 1920's Nyarlathotep, and 1927's History of the Necronomicon. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 8/13/25 |  39 - Cool Air | A young woman on the run is taken in by a reclusive doctor that may be more than he appears. Adapted from "Cool Air" by H.P. Lovecraft. CW: Includes themes and depictions of Police Brutality, Racism, Fascism, Grief, Chronic Illness, Body Horror & Transformation, and Potential Violence & Death. Tell your representatives to vote to abolish ICE! https://5calls.org/ Hotlines to report ICE raids in your area, report missing migrants, or seek help if you are at risk of deportation: https://nnirr.wpengine.com/education-resources/community-resources-legal-assistance-recursos-comunitarios-asistencia-legal/immigration-hotlines-lineas-directas-de-inmigracion/ Support human rights for immigrants: https://wearecasa.org/ https://www.americanimmigrationcouncil.org/ https://aijustice.org/ Starring Jo O'Donnell, Sean C. Sanders, and Jonathan Inbody. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 8/4/25 | S.O.L. Bonus Reading #2 - The Doom That Came to Sarnath | The Summer of Lovecraft festivities continue with Jon's reading of H.P. Lovecraft's quasi-biblical tale of beautiful fantasy and horror, 1920's The Doom That Came to Sarnath. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 7/22/25 |  38 - The Call of Cthulhu: Part 2 | With the world hanging in the balance, three theologians trapped in a city of nightmares try to prevent the catastrophic awakening of a long-lost god. Adapted from "The Call of Cthulhu" by H.P. Lovecraft. CW: Includes themes and depictions of Cosmic Horror, Apocalyptic Events, Existential Dread, Mental Illness & Psychosis, Body Horror & Transformation, the Occult, and Potential Violence & Death. Starring Jonathan Inbody, Justin Pope, and Andrea Inbody, with Sean C. Sanders as the monsters. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Starspawn & Cthulhu Sound Design by Jonathan Inbody. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 7/16/25 |  37 - The Call of Cthulhu | An art therapist becomes entangled with a troubled patient that may know the hidden truth about a forgotten god. (Part 1 of 2 - Part Two coming this month!) Adapted from "The Call of Cthulhu" by H.P. Lovecraft. CW: Includes themes and depictions of Cosmic Horror, Apocalyptic Events, Existential Dread, Mental Illness & Forced Hospitalization, Hallucinogenic Drug Use, the Occult, Religious Extremism, and Potential Violence & Death. Starring Paul McGinnis, Mark Bogumil, Eric Miller, Samantha Hunt, Jonathan Inbody, and Andrea Inbody. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 7/9/25 | S.O.L. Bonus Reading #1 - Dagon | Can't beat the heat in the Summer of Lovecraft? Let Jon give you a chill with this reading of H.P. Lovecraft's 1917 short story Dagon. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 6/9/25 |  36 - Pickman's Model | A journalist gets more than she bargained for while interviewing a reclusive artist. Adapted from "Pickman's Model" by H.P. Lovecraft. CW: Includes themes and depictions of Blood & Gore, Animal Attacks, Social Murder, Family Strife & Estrangement, Misogyny, and Potential Violence & Death. Starring Charleston Harvey, Mark Bogumil, and Jonathan Inbody, with additional voices by Samantha Hunt. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 5/28/25 | Announcing The Summer of Lovecraft! | Surf's up! Gray Matter's got new adaptations of H.P. Lovecraft classics coming your way all summer long! Our June, July, and August episodes will each be a fresh take on a classic Lovecraft tale, packed full of otherworldly monsters, cosmic mayhem, and madness from beyond the stars! It's perfect vacation listening... if you like your vacations weird, gross, and bleak! Join the Gray Matter Patreon (Creative Commentaries #1-10 available now FREE!) - https://www.patreon.com/graymatterhorror Gray Matter's (Underused) Youtube Channel - https://www.youtube.com/@GrayMatterPodcast Gray Matter Teepublic Store - https://www.teepublic.com/user/graymatterhorror That Happens: #185 - The Strength of Four Babies (Guest Starring Jon) - https://thathappenspod.com/2025/03/20/episode-185-the-strength-of-four-babies/ I is For Investigate: Dagon RSS Feed (Lovecraftian Mystery Podcast Jon voice-acted for) - https://feeds.libsyn.com/501263/rss Surf Rock Intro / Outro: https://pixabay.com/music/american-roots-rock-surf-rock-06-269648/ | — | ||||||
| 5/14/25 |  35 - Who Hates Balloons? | On the anniversary of his young son's death, a man is forced to confront his grief. CW: Includes themes and depictions of Grief, Child Death, Body Horror & Transformation, Emotional Strife, Child Endangerment, and Potential Violence & Death. Starring Jonathan Inbody, Alyssa Grace Adams, Mark Bogumil, Brandon Machajewski, Sam Hunt, and Andy Rich. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 4/16/25 |  34 - The Inhabitants | Two private detectives investigate the disappearance of an entire suburban family. CW: Includes themes and depictions of Existential Terror, Paranoia, Panic, Family Strife, and Potential Violence & Death. Starring Mark Bogumil and Paul McGinnis. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ If you like the show, leave us a 5-star rating and review on Apple Podcasts! Every review helps! Join the Gray Matter Patreon at https://patreon.com/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 3/12/25 |  33 - The Shadow Over Innsmouth | As a global pandemic looms in March of 2020, an epidemiologist travels to a remote seaside town in search of a possible treatment. Adapted from "The Shadow Over Innsmouth" by H.P. Lovecraft. CW: Includes themes and depictions of Infectious Disease, Body Horror & Transformation, Disability & Disfigurement, Grief, Social Alienation, Paranoia, Cosmic Horror, and Potential Violence & Death. Starring Justin Pope, Charleston Harvey, Andy Rich, and Jonathan Inbody. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 2/12/25 |  32 - The Raven | A woman with a missing husband is taunted by a mysterious bird. Adapted from "The Raven" by Edgar Allan Poe. CW: Includes themes and depictions of Animal Attacks, Alienation, Grief, Depression, Psychological Trauma, Abuse, and Potential Violence & Death. Starring Charleston Harvey, Andrea Inbody, Alyssa Grace Adams, and Samantha Hunt. Written & Directed by Jonathan Inbody. Editing & Sound Design by Jeff Lavin. Music by Samantha Hunt. Episode Art by Jon-Michael Marinell. Full series credits, sound effects attribution, and links to social media can be found at https://www.graymatterhorror.com/ 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/graymatterhorror Buy Gray Matter Shirts at https://www.teepublic.com/user/graymatterhorror | — | ||||||
| 2/6/25 | The Revolution Will Not Be Televised | Don't let Elon Musk steal your data! Contact your elected representatives now! Find Your Representatives - https://www.congress.gov/members/find-your-member Donation Links: ACLU - https://action.aclu.org/give/now Southern Poverty Law Center - https://secure.splcenter.org/page/76663/donate/ Amnesty International - https://donate.amnestyusa.org/page/163611/donate/ Planned Parenthood Action Fund - https://www.weareplannedparenthoodaction.org/KDlEsm4r6EizP0SdpEj8Fg2 RAINN - https://give.rainn.org/a/donate | — | ||||||
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Chart Positions
6 placements across 6 markets.
Chart Positions
6 placements across 6 markets.