As of July 2026, M Squad Season 1 aired in 1957 with 38 episodes. Full episode guide and where to watch below.

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M Squad Season 1

1957 38 Episodes Crime · Drama ⭐ 5/10

If you want a crime drama that treats its mystery as more than a puzzle, M Squad Season 1 is available on streaming right now. The 1-season run is exactly the right length for what it is doing. With 7 viewer ratings on TMDB, this is not a title flying under the radar. Lee Marvin leads a cast that carries the story without ever feeling mechanical. There is no real reason to keep putting it off.

There is a reason M Squad Season 1 keeps coming up in conversation. The plotting gives M Squad Season 1 its backbone, but it is the characters you come back for. Season 1 of M Squad includes 38 episodes. It aired from September 1957 to June 1958. 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 1957. The plot mechanics of M Squad Season 1 never overwhelm the human cost underneath them. There is real craft here, even in the moments that do not fully land.

Crime and mystery fans will find exactly what they are after in M Squad Season 1. It has built its own audience without needing a direct comparison. Best experienced as a single, sustained watch if your schedule allows. Lee Marvin anchors it, but the writing does the real work. If you are going to commit to one crime drama this month, make it this one.

📡 Where to Watch M Squad Season 1

Not currently available on major streaming platforms. Check back soon.

🎬 M Squad Season 1 — Episode Guide

The Golden Look

The Squad is on the lookout for a bank robbery suspect with a unique feature, witnesses say he has gold teeth.

Ballinger and the Squad are out to catch a burglar who may have rabies.

Neighborhood Killer

The squad hunts down a cop killer.

Pete Loves Mary

The squad goes after a jail inmate who's just escaped.

Ballinger investigates the murders of four women. The victims were all connected to the same church and lived within two miles of each other.

Chicago cop Frank Ballinger stages a rescue in order to gain the confidence of Alice, a young woman who works for suspected jewelry fence Louis Prince. Pretending to be furniture salesman Bob Steele, Ballinger romances Alice and gets friendly with her boss. But Alice falls for "Bob" and Ballinger mu...

The Matinee Trade

Lt. Frank Ballinger investigates the case of a gambling ring and its connection to an unidentified police officer. The deeper into the investigation he gets, the more Ballinger becomes concerned that the crooked cop may be an old friend.

A jewelry store robbery sends the thief to prison, but his claim that the night watchman, a former big-league ballplayer named Lightnin' Joe Adams, was in on the heist costs Adams his job. Lt. Frank Ballinger goes undercover in prison to find out from the robber whether Adams was involved in the cri...

Frank Ballinger and his colleagues on the M Squad have to find a needle in a haystack: a cop killer somewhere in the city of Chicago. Their only clues are an old magazine and the killer's habit of saying "You bet."

Lt. Frank Ballinger keeps an eye on Hazel, a bar girl with a record who nonetheless wants to go straight. He discovers she is involved with Joe Mazzerin, a safecracker. Ballinger goes undercover to get the goods on Mazzerin and to learn who his mysterious partner is.

The Alibi Witness

When perennial loser Wally Gardner is identified as the perpetrator of a robbery-murder, he tells police unique details of a stranger he met miles away at the time of the crime. But when that stranger is found, he says he can prove that HE was miles from where Gardner says they met at the time of th...

The Specialists

When a hired gunman gets himself tossed in jail following a fistfight, Lt. Frank Ballinger takes his place undercover as protection for a group of three businessmen who meet once a year to commit a specialized crime.

Family Portrait

When his partner in an investigation is killed, Lt. Frank Ballinger makes it a personal business to pin the crime on narcotics lord Sam Hinder. But, as Ballinger discovers, Hinder has an unusual reason for wanting to keep the police out of his own personal business.

The Palace Guard

Gangster Tommy Hatch is wanted for murder, but the police have to keep him safe from other gangsters who want him dead before he can testify against them. Lt. Frank Ballinger is assigned to protect Hatch even though he despises him.

Ballinger investigates the case of a security courier who is charged with robbing himself of $75,000.

District Attorney Grover calls for Ballinger to help him sort out a potentially embarrassing situation involving the murder of a former business associate.

The room mate of the third murder victim of the Blue Indigo serial killer may be the only link Ballinger has to catching him.

When a convicted murderer gets the upper hand on Lieutenant Ballinger during a train ride back to Chicago, his last best hope for recapturing the felon is the persistence of an alert young boy.

Ballinger suspects an inside job when a dry cleaning company refuses to knuckle under to a shakedown mob.

Kathy Bane, an old flame of Ballinger's, needs his help when a blackmailer trying to extort money turns up dead-- in her apartment.

🎭 Cast of M Squad Season 1

Lee Marvin

Detective Lt. Frank Ballinger

Paul Newlan

Police Capt. Grey

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