Is Behind Closed Doors coming back?

<SHOW> ended on 1959-04-09. The series aired its final episode on that date on NBC.

Behind Closed Doors was a counter-espionage adventure series that premiered in 1958. It was based on the files and experiences of retired Rear Admiral Ellis M. Zacharias and focused on espionage activities during the Cold War era.

The show featured Bruce Gordon as Commander Matson and Ellis M. Zacharias himself appeared as a character named Self. Each episode had a runtime of approximately 30 minutes.