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.

Seasons and episodes
3 seasons · 117 episodes
- 1S3 E1
Ten Minutes to Doomsday
Sep 18, 195930 min
M Squad hunts for a bomb before it blows up a hospital. Jonas Blecker, an embittered bank clerk who went to prison for dipping in the till to loan money to depositors down on their luck, wants to commemorate his 1st anniversary as a free ma
- 2S3 E2
The European Plan
Sep 25, 195930 min
Mrs Ashton is killed during a house robbery. The M squad are brought in to try and work out what happened. A very open and shut case suddenly becomes exceedingly complex.
- 3S3 E3
Sunday Punch
Oct 2, 195930 min
When a well-liked retired couple is found brutally murdered, evidence points to their curmudgeonly neighbor. Lieutenant Ballinger is initially skeptical of his story, but thorough investigation reveals that things are not always as they see
- 4S3 E4
Jeopardy by Fire
Oct 9, 195930 min
The M squad is called in after a series of factory fires occur in the Chicago area. The case become complex after the unusual chemical signature of the fire accelerants is identified.
- 5S3 E5
Murder in C-Sharp Minor
Oct 16, 195930 min
Detective Ballinger is brought in to investigate the murder of night club owner Joe Dalio. The case seems open and cut with a suspect in custody, however Ballinger has just enough doubt to continue the investigation.
- 6S3 E6
The Human Bond
Oct 23, 195930 min
A bail bondsman's son is kidnapped to force his father to post an $80,000 bond for the release of a murderous extortionist. Lieutenant Ballinger finds himself on a dangerous high-speed boat chase when the culprit attempts to avoid trial (an
Starring
Frequently asked questions
- Where can I watch M Squad?
- M Squad is not currently listed on a streaming service in the US. Use the country picker on the page to check other markets.
- How many seasons of M Squad are there?
- M Squad has 3 seasons and 117 episodes. Status: Ended.
- Will there be a new season of M Squad?
- M Squad has ended; no new episodes are scheduled. The final episode aired on June 21, 1960.
- Who stars in M Squad?
- M Squad stars Lee Marvin, Paul Newlan, DeForest Kelley, Harry Landers, Barney Phillips.
















