F.B.I.

The F.B.I. was Quinn Martin Productions's longest running series. It was unique as its stories were loosely supervised by at the time, current FBI director J. Edgar Hoover himself who watched over the presentation of proper bureau procedure.

After each week's episode, Efrem Zimbalist Jr. would step from behind the part of Inspector Erskine and directly address the audience, asking for help to catch real criminals that were on the run.