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.