A new National Geographic series will feature interviews with former prisoners and guards from the infamous Stanford Prison Experiment that took place in 1971.

A new docuseries challenges half a century's worth of received wisdom about the influential social psychology study

The production embarks on a gripping, ticking-clock journey through the six-day Stanford Prison Experiment with incredible reveals, new subjects and a smoking-gun archive.

Unlocking the Truth" is a new docuseries from Nat Geo that examines what went on behind the scenes of the infamous experiment.

For a few days in 1971, some dudes at a Northern California college pulled some zany stunts in a basement and we’re still talking about it. No, this had nothing to do with playing Jefferson Airplane tapes backwards while on acid.