TV series
In this genre-bending tale, Errol Morris explores the mysterious death of a U.S. scientist entangled in a secret Cold War program known as MK-Ultra.
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Checked Jul 22, 2026
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In this genre-bending tale, Errol Morris explores the mysterious death of a U.S. scientist entangled in a secret Cold War program known as MK-Ultra.
Choose an episode, then use the watch options above for the show.
Episode 1
In 1953, Army scientist Frank Olson takes a fatal plunge from a hotel window. In 1975, a bombshell report ties his death to a top-secret experiment.
Written by Kieran Fitzgerald, Steven Hathaway, Molly RokoszGuest stars David Rudovsky, Seymour Hersh, William Colby, David Kairys, Dick Cheney, Donald Rumsfeld, Jack Doke
Episode 2
Amid a wave of media attention, the government races to placate the family. In New York, Frank visits a doctor known for his unconventional methods.
Written by Kieran Fitzgerald, Steven Hathaway, Molly RokoszGuest stars David Rudovsky, David Kairys, Bob Balaban, Richard Boothby
Episode 3
One trip to New York morphs into two when Frank suffers a setback on the way home. Decades later, an apprehensive Eric checks into room 1018A.
Written by Steven Hathaway, Molly Rokosz, Kieran Fitzgerald, Steven Hathaway, Molly RokoszGuest stars David Kairys, Bob Balaban
Episode 4
A hotel worker overhears a curious phone call the night of Frank's death. In 1994, a forensics expert exhumes the body to find compelling new clues.
Written by Steven Hathaway, Molly Rokosz, Kieran Fitzgerald, Steven Hathaway, Molly RokoszGuest stars William Colby, Bob Balaban, Richard Boothby, Harry Huge, Richard Helms, Stephen Saracco, Jimmi Simpson
Episode 5
Frank's growing concerns about Cold War activities raise alarm bells at the CIA. A frustrated Eric launches a last-ditch bid for closure.
Written by Steven Hathaway, Molly Rokosz, Kieran Fitzgerald, Kieran FitzgeraldGuest stars David Rudovsky, Dick Cheney, Donald Rumsfeld, Harry Huge, Richard Helms, Stephen Saracco, Robert Mitchum
Episode 6
Thanks to Seymour Hersh, Eric finally learns the truth -- but at a maddening cost. In room 1018A, Frank faces off with two mysterious men.
Written by Steven Hathaway, Molly Rokosz, Kieran Fitzgerald, Kieran FitzgeraldGuest stars William Colby, Richard Helms, Jimmi Simpson, Seymour Hersh
Episode information updated Jul 24, 2026
