I like anything to do with the 911 services, such as firemen, police and EMS/Ambulance/ER. I don't quite know WHY I just adore 911 services, in UK 999, services related shows. I like to see police procedurals, especially if the crime scene taking place is involved and then we discover later the "who" in the whodunit type scenario and the "who" gets punished/sentenced. The EMS/ER/ambulance ones are also really good. You can somewhat get a taste of what the er and medics go through on calls and in the emergency. You get to see interesting cases that could possibly be based on real life situations, albeit loosely. I like the fire services as they rescue people out of surprising situations and more. I like the real life types of these shows where you can see live examples of rescue/justice and life-saving. Those are REALLY cool.
Oh really, i hate cops also firemen cause i know they are slow like tortoise ummm ambulance to me, means it probably someone didn't get the chance to go to hospital before die.