The Criminal Justice Degrees Program has posted its 10 Best Legal Shows in TV History, along with YouTube clips from each show. In tenth place it lists what I believe to be the best lawyer show of all time: The Defenders, starring E.G. Marshall and Robert Reed:
The Defenders was a successful courtroom drama series that told the story of father-and-son defense attorneys who handles high-profile and very controversial cases involving racism, civil rights, religion, abortion and other major issues of the time. The series ran from 1961 to 1965 on CBS and received a great deal of praise for its social context and outstanding performances.
It was watching this show in first run that first made me want to be a lawyer. Here is the clip from the show: