Zimbardo (1973) had intended that the experiment should run for a fortnight, but on the sixth day it was terminated. Christina Maslach, a recent Stanford Ph.D. brought in to conduct interviews with the guards and prisoners, strongly objected when she saw the prisoners being abused by the guards.
After a year in the role, Engen announced his exit from The Young and the Restless because of objections over his storyline, and Michael Muhney was recast in the role. Controversy arose two weeks after Muhney's debut when Adam seduced male character Rafe Torres (Yani Gellman).
The Young and the Restless (often abbreviated as Y&R) is an American television soap opera created by Lee Phillip Bell and the late William J. Bell for CBS. It first broadcast on March 26, 1973 as half-hour episodes five times a week. It was then expanded to one hour on February 4, 1980.