How to Make a Hero - S2.E5

What makes a hero? Dr. Philip Zimbardo, the psychologist behind the infamous Stanford Prison Experiment, now runs seminars to teach everyday people how to be heroes. But can heroism be learned? I put his unsuspecting students into a fake crisis situation to see if they would act heroically. Also, I asked employees to help me run a seemingly dangerous experiment, to see if they would blow the whistle to stop me.