Undertow: Familiar Haunts

Undertow is Realm’s showcase of original horror stories. Hosted by audio horror pioneer and creator Fred Greenhalgh, each season presents a spooky standalone series, so you can dive in anytime... if you dare!

Current Season: Familiar Haunts

From haunted houses to remote islands, late night radio transmissions to witchcraft, these character-forward stories reveal how the past is never truly gone, and humanity may be the most ruthless monster of them all.

Craving More Frights? Explore Past Seasons:

Season 1: Simpson Falls - A reporter awakens malevolent forces in his haunted hometown.

Season 2: Blood Forest - Every 20 years, werewolves descend for a night of horror. Starring Jack Falahee.

Season 3: Dark Tome - A teen unleashes a terrifying story from a spooky bookshop.

Season 4: The Well - Family secrets resurface, setting loose horror from an old well.

Season 5: The Pulse - A meteorite awakens animalistic instincts in a group of treasure hunters.

Season 6: The Sisters - True events inspire a chilling tale of occult & possession. Starring Mae Whitman.

Season 7: Last Call - A hustler gambles for his life against the Grim Reaper.

Season 8: Narcosis - A rescue dive turns deadly beneath the waves.

Season 9: The Harrowing - A barbaric crime heralds the rise of an ancient evil.

Season 10: Hovering - A police officer is pulled into unimaginable circumstances when he starts investigating calls about an object in the sky.

Season 11: Trio of Nightmares - Three bone-chilling novellas from Maine writers Chris Bernier, Katherine Silva, and Morgan Sylvia.


Binge Ad-Free & Early! Subscribe at realm.fm.

Fiction
Drama
51
Narcosis, E8
Alice enlists Sana to help her.
14 min
52
Narcosis, E7
Back at the spa, Billy receives a “treatment."
12 min
53
Narcosis, E6
Veronica meets the Queen.
18 min
54
Narcosis, E5
Veronica makes contact with Alice only to learn that not all is right on the surface.
14 min
55
Narcosis, E4
Lost in the caves below, the divers encounter something unexpected...
19 min
56
Narcosis, E3
Veronica and Billy descend alongside Simon’s team, but they’re immediately pushed off course.
16 min
57
Narcosis, E2
Veronica has a strange vision as Billy and Sana grow more concerned…
19 min
58
Narcosis, E1
After the loss of her childhood friend, Veronica returns home to find things are amiss.
18 min
59
Introducing Narcosis
11 min
60
Last Call, E2
The clock’s ticking—Eddie will have to come clean, even if it kills him.
19 min
61
Last Call, E1
Hustler Eddie Kincaid has lived a life bending the rules to make them work for him... Up till one Christmas night when his car goes sideways on a lonely road in Maine in the middle of a blizzard.
13 min
62
Interview with Brett Neichen
What a thrilling ride we had in the world of THE SISTERS. As the season ends, we sit down again with series creator Brett Neichen to talk about what inspired him to make this show, what makes horror work so well in audio, and even some deep conversation about what is memory and self and why does reincarnation feel scary.
39 min
63
The Sisters, E10
When Frankie hears a familiar voice on the end of a frightening phone call, she teams up with her ex-husband Beneil stop history from repeating. When the condition of the twins becomes dire, Frances faces a terrible decision.
45 min
64
The Sisters, E9
Frankie is determined to find out who Kari really is, and what she could want with the skeleton. Frances and Thomas rush to escape the Hellfire Club and their own hometown as the twins’ condition worsens.
28 min
65
The Sisters, E8
Duncan tells Frankie that the skeleton has gone missing. Desperate to protect her children, Frances collects her twin girls and flees from Thomas, straight into the arms of the enemy.
34 min
66
The Sisters, E7
Frankie is trapped in the house of a possible killer…but other, even more sinister forces await her outside. Frances enlists the help of Vincent Garrel, a journalist focused on the occult.
29 min
67
The Sisters, E6
Frankie and Kari visit their childhood home, and a local sheriff tells Frankie that he knows the real truth about her sibling. Frances grows increasingly concerned about the nature of her new twin girls when their behavior turns violent.
34 min
68
The Sisters, E5
Frankie processes the reappearance of her long-lost sister, Kari. Frances and Thomas are blessed with new twin girls, who share eerie similarities with their deceased twins.
29 min
69
The Sisters, E4
After humiliation on live TV, Frankie receives a shocking phone call from someone in her past. Frances and Thomas’ lives seem to turn around after Thomas confronts Mark Whitney, but is it too good to be true?
31 min
70
The Sisters, E3
Frankie and Duncan take a road trip to the Hamptons to chase down their lead on the Hellfire Club. Reeling, the Frances searches for a new beginning while Thomas promises revenge on Mark Whitney.
32 min
71
The Sisters, E2
Frankie receives tapes that point to the skeleton’s origins and brings them to her ex-husband Beneil, whose professional expertise points them to an occult group known as the Hellfire Club. Frances grows hostile towards Mark Whitney, and soon, an unspeakable tragedy befalls the Pollard family.
31 min
72
The Sisters, E1
In present-day Philadelphia, Frankie Bradshaw, curator of the Mutter Museum, receives an anonymous, mysterious skeleton and begins to investigate its origins. In 1960s England, Frances Pollard recounts a happy home life with her daughters and her husband, Thomas… until a stranger arrives.
28 min
73
Introducing The Sisters
Inspired by real events, THE SISTERS is a terrifying tale of obsession and family secrets. Set in 1960s England and present-day Philadelphia, the series follows a mystery that spans decades and asks the question: how far would you go to mend tragedy? THE SISTERS is a Realm Original produced by Goldhawk Productions with LightsOut, the team behind such hit podcasts as THE CIPHER, TAGGED, and PASSENGER LIST. We hear the trailer for the new show today, and speak with series creator and writer, Brett Neichin.
12 min
74
The Pulse, E3
Eyes are on the meteorite prize as the dangerous pulses increase in frequency and power. When something goes terminal in Moose Haven, Maine, who'll still be standing?
22 min
75
The Pulse, E2
Previously friendly strangers have become fierce after the strange pulse washes over Moose Haven, Maine. And a group of rival treasure hunters seems to be hiding a dark secret.
22 min