Perry Mason

In case you haven't heard, this TV series is about all time winner lawyer Perry Mason (Raymond Burr) and all time loser lawyer Hamilton Burger (William Talman). Along with wizened homicide investigator Tragg (Ray Collins), Burger is the opposing force to Perry, who helps his clients get away with murder. I mean, he gets them off by having someone else confess to the murder.
Helping Perry are his beautiful secretary Della Street (Barbara Hale) and wisecracking private eye Paul Drake (William Hopper).
These five are forever known by their iconic roles in this courtroom series.
What really drives this series is something called "atmosphere". In order to know what "atmosphere" is, one needs to watch this TV series. It defines "atmosphere".
And it need atmosphere, because a lot of what happens is really hard to believe, but the five iconic characters keep you interested, as do other recurring characters.