True, for financial-reasons, some duplication of sets, props, and actors are used...However, some of the stories can be researched for validity / I happen to live near one of the show's cases involving a real local-police officer involved in one such case / & I myself once was a " ghost"...having been revived during an operation & telling the doctor's in both my operating room & the one next-door what they were doing & what they said as I "hovered" above (they were quite shocked 😲 to say the least!) / Finally, my sister (a nurse), and two good friend's (one a long time paramedic; another a long time physician), and none very religious, have all admitted that they have all witnessed paranormal 911-like "episodes" in their own work...& all have stated that the "un-written" rule in most hospitals (until this show!) is to basically not talk about such thing's... / Like pilots seeing ufo's and not wanting to report same...though that is also beginning to change, with the military recently "loosening-up" due to leaked navy pilot video's & interviews on major news outlets indicating we "may not be alone" after all...