One of the first horror hits of the year was A24’s unnerving undertone, which follows a podcast host caring for her dying mother.

Now, you can experience the film when it joins HBO Max’s streaming service on June 26th, 2026.

We attended the film’s World Premiere at last July’s Fantasia Film Festival, where Mary Beth McAndrews wrote: “Thanks to incredible sound design and a stellar lead, undertone is a deeply unsettling horror experience that treads familiar ground but still manages to surprise you.”

The...