undertone and Broadcast Signal Intrusion

undertone and Broadcast Signal Intrusion

March 27, 2026 · 38 min · Episode 174

About this episode

The episode explores the terror of 'Found Audio' and hijacked airwaves through a comparison of the films 'undertone' and 'Broadcast Signal Intrusion'.

This week on Friday Night Frightfest, we are exploring the terror of "Found Audio" and hijacked airwaves. We’re looking at how a simple recording can become a gateway to obsession and ancient evil. We’re comparing A24’s latest descent into audible terror, undertone (2026), with the gritty, neo-noir mystery of Broadcast Signal Intrusion (2021). Whether it’s a podcast co-host sending you cursed files or a masked figure interrupting the nightly news, these films prove that some signals should never be decoded. undertone (2026) Written and directed by Ian Tuason in a stunning directorial debut, undertone (stylized in all lowercase) is a masterclass in claustrophobic sound design. Nina Kiri stars as Evy, a skeptical horror podcast host who has moved back into her childhood home to care for her dying, comatose mother. When her co-host Justin (Adam DiMarco) receives a series of anonymous audio recordings, Evy begins to hear hidden messages in reverse—unearthing the legend of Abyzou, a demon that targets mothers and the unborn. Filmed in Tuason’s own family home, the movie never leaves the house, trapping the audience in a sonic nightmare where the silence is just as terrifying as the…

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