

Eleven participants spent three months on the raft Acali in 1973, crossing the Atlantic Ocean to study human behavior under extreme conditions.
“The strangest group experiment of all time”
Synopsis
Eleven participants spent three months on the raft Acali in 1973, crossing the Atlantic Ocean to study human behavior under extreme conditions.
Go deeperPeople
View all →Synopsis
Santiago Genovés led an experiment aboard the raft Acali in 1973. Five men and six women spent three months crossing the Atlantic Ocean. Their goal was to study human behavior, particularly violence and sexual attraction. Participants faced numerous challenges during the voyage. Their interactions exposed social dynamics among the group. The film includes archival footage and a reunion of the participants, reflecting on the psychological effects of their unique experience.
What Critics Say
The GuardianMarcus Lindeen’s prizewinning documentary about an anthropologist’s 1970s social experiment doesn’t fully immerse itself in the mission’s oddity.
Deep Dive
Why Watch
- See the unique Acali raft experiment from 1973.
- Meet participants reflecting on their experiences.
- Find out how isolation affects human behavior.
Did You Know
- Santiago Genovés led the Acali experiment in 1973.
- The raft journey lasted three months across the Atlantic Ocean.
- There were 11 participants: five men and six women.
- The documentary has a runtime of 97 minutes.
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Frequently Asked Questions
Who led the experiment aboard the raft Acali?
Santiago Genovés, a psychologist, led the experiment aboard the raft Acali.
How long did the participants cross the Atlantic Ocean?
The participants crossed the Atlantic Ocean over a period of three months.
What were the main focuses of the experiment conducted on the raft?
The main focuses of the experiment were human behavior, specifically violence and sexual attraction.
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