Watch Undertone Online
Undertone — Horror, Science Fiction. Watch Undertone online on Sparkle TV in 4K Ultra HD, with no downloads and no buffering.
What is Undertone about?
NOTE: Not to be confused with A24's feature film Undertone directed by Ian Tuason. A sound recordist captures strange sonic phenomena underneath their house, and things escalate from there.
- Genres
- Horror, Science Fiction
- Released
- 2025-08-08
- Director
- Shaun Munro
- Rating
- ★ 4.0 / 10
Top cast
- Shaun Munro
How to Watch Undertone on Sparkle TV
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