As of July 2026, The F.B.I. Season 4 aired in 1968 with 26 episodes. Full episode guide and where to watch below.
The F.B.I. Season 4 poster
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The F.B.I. Season 4

1968 26 Episodes Crime · Drama ⭐ 6/10

If you want a crime drama that treats its mystery as more than a puzzle, The F.B.I. Season 4 is available on streaming right now. The 1-season run is exactly the right length for what it is doing. A 6/10 rating says what the writing already makes obvious: this one works. Efrem Zimbalist Jr.'s performance alone is worth the time investment. Start it whenever you need something guaranteed to land.

There is a reason The F.B.I. Season 4 keeps coming up in conversation. The F.B.I. Season 4 treats its mystery as a means, not an end in itself. Season 4 of The F.B.I. Includes 26 episodes. It aired from September 1968 to March 1969. Efrem Zimbalist Jr. And Philip Abbott lead a cast that brings real weight to the material. It was aired in 1968. What distinguishes the best crime dramas from the rest is whether the character work can carry scenes where the mystery takes a breath — The F.B.I. Season 4 passes that test consistently. 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 The F.B.I. Season 4 proves them wrong. It rewards viewers regardless of what else is in their watch history. The complete run is available and best experienced without too much prior knowledge of where it goes. Efrem Zimbalist Jr. Carries scenes that would sink a lesser production. The resolution feels inevitable rather than arbitrary, which is rarer than it sounds.

📡 Where to Watch The F.B.I. Season 4

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🎬 The F.B.I. Season 4 — Episode Guide

E1
Wind It Up and It Betrays You
1968-09-22
Case: Carl Schmidt, Colonel Lorenz Tabor - Espionage, Murder. A dead mans hearing aid containing microfilm has The FBI uncovering an espionage ring.
E2
Out of Control
1968-09-29
Case: Miguel Ramos Valdez-Assaulting a Federal Officer, Murder. Assistant Director Arthur Ward, Inspector Lew Erskine and Agent Tom Colby track down an oil field killer.
E3
The Quarry
1968-10-06
Case: Michael Vincent Riley, Fugitive - Interstate Transportation in Aid of Racketeering.
E4
The Runaways
1968-10-13
Case: John Graham Evans - Parole Violator - Murder. A killer picks for his robbery Victims, a happy family of four living on a farm.
E5
Death of a Fixer
1968-10-20
Case: Roy Donald Blake - Fugitive, Interstate Transportation in Aid of Racketeering - Gambling.
E6
The Enemies
1968-11-03
Case: Ralph Gordon Stuart - Espionage, Murder. The FBI follows a trail of blood in the hunt for a deadly Communist spy who's out to steel a top secret rocket fuel.
E7
The Nightmare
1968-11-10
Case: Harold Dale Converse - Fugitive, Bank Embezzlement. FBI Inspector Lew Erskine hunts down a bank embezzler and also tries to protect him from criminals helping in his escape.
E8
Breakthrough
1968-11-17
Case: Vincent Preston Gray - Interstate Transportation in Aid of Racketeering, Extortion.
E9
The Harvest
1968-11-24
Case: James Reed, George Wilson, Joseph Troy - Interstate Transportation of Stolen Property, Murder. A holdup mans love for a woman forces him into a shootout with a crew of FBI agents.
E10
The Intermediary
1968-12-01
Case: Thomas Waters a.k.a. Thomas Grant; William MacKenzie; Jack Dale - Interstate Transportation of Stolen Property - Major Theft. Inspector Lew Erskine is the go-between for a jeweler seeking the return of stolen diamonds.
E11
The Butcher
1968-12-08
Case: Helmut Probst a.k.a. Paul Seiger - Unlawful Interstate Flight to Avoid Prosecution, Murder. Inspector Erskine hunts down a wartime SS colonel who is still promoting Nazi ideals.
E12
The Flaw
1968-12-15
Case: Glen Parmenter et al - Espionage, murder. Inspector Lew Erskine snares a spy ring and in turn trapped by them in a deserted Mountain cabin.
E13
The Hero
1968-12-08
The crime is ""Unlawful Wearing of the Uniform"" and (by the way) murder. A con man wears a US Air Force uniform to entice women to marry him. He then murders or otherwise cheats them.
E14
The Widow
1968-12-29
Case: Joyce Carr - Parole Violator,Murder. Inspector Lew Erskine traps a go-go dancer who conspires to marry military service men and collects their insurance money when her boyfriend murders them.
E15
Eye of the Storm
1969-01-05
Case: Edward and Nora Tobin - Kidnapping. Inspector Erskine and Agent Colby search for a kidnapped negro baby who is hiding in a plague infested ghetto.
E16
The Fraud
1969-01-12
Case: David Joseph Miles, Frank Stocker - Interstate transportation of Stolen Property, Extortion. FBI Inspector Lew Erskine fights the Mafias entry into selling fake masterpiece paintings.
E17
A Life in the Balance
1969-01-19
Case: Eugene David Holt, Elaine Donner, Richard Mills - Kidnapping. Blood at the sight of a kidnapping decides FBI Inspector Lew Erskine to act immediately without waiting for the ransom payment.
E18
Caesar's Wife
1969-01-26
Case: Danielle Chabrol - Espionage.
E19
The Patriot
1969-02-02
Case: Richard William Shaefer, alias Marvin Smith - Kidnapping.
E20
The Maze
1969-02-09
Case: Frank Dixon Welles - Top Ten Fugitive, Assaulting a Federal Officer.

🎭 Cast of The F.B.I. Season 4

Efrem Zimbalist Jr.
Efrem Zimbalist Jr.
Lewis Erskine
Philip Abbott
Philip Abbott
Arthur Ward
Marvin Miller
Marvin Miller
Narrator (uncredited)
William Reynolds
William Reynolds
Special Agent Tom Colby
Shelly Novack
Shelly Novack
Agente especial Chris Daniels
Stephen Brooks
Stephen Brooks
Agente especial Jim Rhodes

📋 All Seasons of The F.B.I.

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