As of July 2026, M Squad Season 3 aired in 1959 with 39 episodes. Full episode guide and where to watch below.
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M Squad Season 3

1959 39 Episodes Crime · Drama ⭐ 5/10

Right now you can watch M Squad Season 3 on streaming — and it earns its twists rather than manufacturing them. The show says what it needs to say in a single season, no filler. With 7 viewer ratings on TMDB, this is not a title flying under the radar. Watch Lee Marvin work — the performance is a masterclass in restraint. Start it whenever you need something guaranteed to land.

M Squad Season 3 arrived without much fanfare and built its audience the hard way — through word of mouth. The plotting in M Squad Season 3 is tight enough that the twists feel earned rather than assembled. Season 3 of M Squad includes 39 episodes. It aired from September 1959 to June 1960. This season stars Lee Marvin and Paul Newlan. Lee Marvin and Paul Newlan lead a cast that brings real weight to the material. It was aired in 1959. What makes M Squad Season 3 hold up is that the resolution matters less than how the characters get there. It delivers reliably on what it promises, which is more than most of its competition manages.

Viewers who think they have seen every crime drama tend to find M Squad Season 3 proves them wrong. It rewards viewers regardless of what else is in their watch history. It is a manageable watch, easy to fit into a single week. Lee Marvin carries scenes that would sink a lesser production. The resolution feels inevitable rather than arbitrary, which is rarer than it sounds.

📡 Where to Watch M Squad Season 3

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🎬 M Squad Season 3 — Episode Guide

E1
Ten Minutes to Doomsday
1959-09-18
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 man by killing the judge who gave him the maximum sentence. Th...
E2
The European Plan
1959-09-25
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.
E3
Sunday Punch
1959-10-02
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 seem.
E4
Jeopardy by Fire
1959-10-09
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.
E5
Murder in C-Sharp Minor
1959-10-16
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.
E6
The Human Bond
1959-10-23
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 (and a likely death sentence) by escaping to Canada.
E7
Mama's Boy
1959-10-30
Detective Ballinger is called in after what seems to be a professional hit on a desk clerk at a hotel. A witness identifies who may have done the killing, but Ballinger is concerned he can not find any connection for why the clerk should have been shot.
E8
Shred of Doubt
1959-11-06
Ballinger is called in to investigate when a burning car is found with the body of a young woman bound with wire inside. The chief suspect, playboy lawyer Paul Crater, seems to have an air tight alibi. Ballinger needs to cast his net wider to solve this mystery.
E9
Death by Adoption
1959-11-20
Used car salesman Larry Colman has argument with Art Brunswick, a man who claims to the be the father of Colman's daughter. Colman unearths evidence Brunswick is not who he claims to be leading to a deadly altercation.
E10
Another Face, Another Life
1959-11-27
Ballinger is part of an ongoing investigation into racketeering in the night club industry. After a fight breaks out in a club, Ballinger thinks he might have the break he has been looking for.
E11
Voice from the Grave
1959-12-04
Harry Conklin is killed while on the way to a secret Senate hearing into stand over tactics in the trucking industry. Suspicion falls heavily on a rival Martin Bodie. It is up to Ballinger to fight through the silence and uncover the truth.
E12
The Upset
1959-12-11
Danny Sutton is arrested. During the interview a rookie detective makes a mistake and Sutton gets access to a gun and Ballinger finds himself caught in a tense hostage situation.
E13
One of Our Armored Cars Is Missing
1959-12-18
An armored car is hijacked during a pickup at a government installation. There are surprisingly fews clues left behind by the criminals and Ballinger needs to try and unravel the mystery.
E14
The Ivy League Bank Robbers
1959-12-25
A woman and her baby are hospitalized after a group of bank robbers run them down during an escape. Ballinger wants the men for the robbery but more importantly he wants them to pay for what happened to the woman and her baby
E15
The Twisted Way
1960-01-01
A witness fingers the gangster who cut a rival in half with a shotgun blast, but the killer's alibied by a beautiful actress. The thesp is beloved in ChiTown and has a sterling rep that'll guarantee acquittal. Lt. Ballinger must discredit her story and find out why Tammy's lying for smarmy hood Sand...
E16
The Man Who Went Straight
1960-01-08
Ballinger gets a tip from John Clavell, that an old drug dealer Manny Franchette is coming back into town to re-establish his old network. Clavell wants no part of it having decided to got straight.
E17
The Second Best Killer
1960-01-15
Herbie Ryder gains fame for stopping a bank robbery. After a media interview he is shot and killed. Ballinger is brought in in the belief that organized crime has ordered the hit.
E18
Pitched Battle at Bluebell Acres
1960-01-22
Ballinger is brought in when a robbery and murder occurs at an armory. He is puzzled by the list of weapons stolen including a bazooka and other heavy weapons. He knows they cant sell the weapons, so what is their plan?
E19
The Man Who Lost His Brain
1960-01-26
When an "electronic brain" worth $2,000,000 is stolen and held for ransom of $300,000, Captain Grey and Lieutenant Ballinger devise an elaborate ruse that they hope will lead them to the computer and the thieves.
E20
Debt of Honor
1960-02-02
During a crack down on Chicago crime, Bugsy Page makes threats against the Attorney General Russel Madison. Ballinger needs to decide if the threats are real or simply an attempt to throw the man off.

🎭 Cast of M Squad Season 3

Lee Marvin
Lee Marvin
Detective Lt. Frank Ballinger
Paul Newlan
Paul Newlan
Police Capt. Grey

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