M Squad (1957)

Lt. Frank Ballinger is a no-nonsense plain clothes cop in the elite M Squad Division. The Squad's task is to root out organised crime and corruption in America's Second City, Chicago.

• First Air Date: 1957-09-20
• Last Air Date: 1960-06-21
• Total Seasons: 3
• Total Episodes: 117
• Episode Runtime: 30 min.
• Network: NBC