Every season of Wormwood ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Wormwood!

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.

Chapter 1: Suicide Revealed

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.

Chapter 2: A Terrible Mistake

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.

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.

Frank's growing concerns about Cold War activities raise alarm bells at the CIA. A frustrated Eric launches a last-ditch bid for closure.

Thanks to Seymour Hersh, Eric finally learns the truth -- but at a maddening cost. In room 1018A, Frank faces off with two mysterious men.

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.