every day he puts it right back on. >> unit-i the segregation unit at stateville correctional center. basically this is where the bad people who are being extra bad in the facility come to be locked up. they urinate, bowel movement everywhere. i think they just are kind of crazy. the prison life is probably getting to them. >> we've never seen a more bizarre display of this gut-churning activity than at california state prison-corcoran. it happened during a routine shoot at the prison hospital. >> we were there for like about ten minutes, did a couple interviews with a couple doctors and initially it seemed like it was going to be kind of mundane and going through the process. so we decided to leave. we were all packed up, ready to go back into the other section of the prison when all hell broke loose. >> we have four inmates in four different cells that are holding food trays, some of them have started flooding the tier, which means they're causing the toilets to back up and causing water to come out onto the floor. i'm going to first go out and try to talk to the inmates and try to