The mystery subgenre of police procedurals are as old as television, and these are the 20 best shows that the category has ever produced. Some of the best police procedurals ever made are also some of the best television shows ever made in general. Shows centered around police and detectives solving crimes are a foundational part of serialized ficiton, and there are countless police procedurals out there.

The only problem with police procedurals is that there are almost too many of them. It's hard to tell which ones are worth watching, and which are worth skipping. Luckily, there are at least 20 police procedurals from the last eight decades of television that you can't go wrong with. They're the best of the best, and every single one of them is worth watching.

Before the list begi

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