911the Staircase : Season 1 Episode 1 | Trusted Source |

Watch the official trailer for the HBO Max limited series to see the dramatic recreation of the Peterson family's story:

The series premiere of the The Staircase , titled " 911 ," establishes the central mystery of Kathleen Peterson's death through three distinct timelines: the immediate aftermath in 2001, the lead-up to the tragedy, and a future look at 2017. 911The Staircase : Season 1 Episode 1