They were squirming, they were crying, they were twitching, they were sweating.
The Vow, which will air on on Sunday, features previously unseen footage filmed by one of the group's senior figures Mark Vicente.
The series also follows a number of people deeply involved in the self-improvement group over the course of several years.
Members were turned into slaves, made to eat restricted-calorie diets, forced into bed with the company's founder and branded on their pelvis with the Raniere's initials.
Among the footage are previously unseen scenes from the Dalai Lama's visit to the cult in Albany in 2009.
A third states: 'It is manipulative, but it's a good manipulation.