65 min 911
In 2001, author and aspiring local politician Michael Peterson is charged with murder after the suspicious death of his wife Kathleen.
The Staircase – 1×1
65 min 
65 min Chiroptera
While working on his defense, Michael considers an opportunity to tell his story in a documentary. Then, after learning shocking information about her stepfather, Caitlin wrestles with doubts.
The Staircase – 1×2
65 min The Great Dissembler
As the DA’s office attempts to solidify their case, shocking new details surface about Michael’s past that threaten to derail the defense.
The Staircase – 1×3
65 min Common Sense
After an unexpected homecoming, a critical discovery rocks the Peterson household. Michael’s fate hangs in the balance as the trial ends.
The Staircase – 1×4
65 min The Beating Heart
In the aftermath of the verdict, the Petersons struggle with the court’s decision, and Michael finds solace in an unlikely friendship from thousands of miles away.
The Staircase – 1×5
65 min Red in Tooth and Claw
In 2006, Sophie pursues a far-fetched new theory about the night of Kathleen’s death. Then, in 2017, Michael grapples with compromising his principles in exchange for his freedom.
The Staircase – 1×6
65 min Seek and Ye Shall
After a body with similar injuries to Kathleen’s turns up at the county morgue, Sophie continues her quest to uncover what really happened to Kathleen. Meanwhile, Martha decides to dig into her fraught past, despite pushback from Margaret.
The Staircase – 1×7
65 min America's Sweetheart or: Time Over Time
After navigating a possible retrial, a 73-year-old Michael confronts a life-changing decision. Meanwhile, Martha and Margaret each share long-buried truths, and Sophie comes to terms with a revelation.
The Staircase – 1×8
Cast
Colin Firth
Michael Peterson
Toni Collette
Kathleen Peterson
Michael Stuhlbarg
David Rudolf
Dane DeHaan
Clayton Peterson
Olivia DeJonge
Caitlin Atwater
Patrick Schwarzenegger
Todd Peterson
Sophie Turner
Margaret Ratliff
Odessa Young
Martha Ratliff
Rosemarie DeWitt
Candace Zamperini
Tim Guinee
Bill Peterson
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