The F.B.I.: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of The F.B.I. Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
Wind It Up and It Betrays You
Sep 22, 1968
Case: Carl Schmidt, Colonel Lorenz Tabor - Espionage, Murder. A dead mans hearing aid containing microfilm has The FBI uncovering an espionage ring.
Out of Control
Sep 29, 1968
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.
The Quarry
Oct 6, 1968
Case: Michael Vincent Riley, Fugitive - Interstate Transportation in Aid of Racketeering.
The Runaways
Oct 13, 1968
Case: John Graham Evans - Parole Violator - Murder. A killer picks for his robbery Victims, a happy family of four living on a farm.
Death of a Fixer
Oct 20, 1968
Case: Roy Donald Blake - Fugitive, Interstate Transportation in Aid of Racketeering - Gambling.
The Enemies
Nov 3, 1968
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.
The Nightmare
Nov 10, 1968
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.
Breakthrough
Nov 17, 1968
Case: Vincent Preston Gray - Interstate Transportation in Aid of Racketeering, Extortion.
The Harvest
Nov 24, 1968
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 a
The Intermediary
Dec 1, 1968
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 j
The Butcher
Dec 8, 1968
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 ide
The Flaw
Dec 15, 1968
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.
The Hero
Dec 8, 1968
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 t
The Widow
Dec 29, 1968
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 boyfr
Eye of the Storm
Jan 5, 1969
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.
The Fraud
Jan 12, 1969
Case: David Joseph Miles, Frank Stocker - Interstate transportation of Stolen Property, Extortion. FBI Inspector Lew Erskine fights the Mafias entry into selling fake masterpiece
A Life in the Balance
Jan 19, 1969
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
The Maze
Feb 9, 1969
Case: Frank Dixon Welles - Top Ten Fugitive, Assaulting a Federal Officer.
The Attorney
Feb 16, 1969
Case: Arnold Grant Toby - Interstate Transportation in Aid of Racketeering, Attempted Murder.
Conspiracy of Silence
Mar 2, 1969
Case: Leonard King et al - Interstate Transportation in Aid of Racketeering, Murder.
The Young Warriors
Mar 9, 1969
Case: William Rockhill - Crime on a Government Reservation, Arson, Murder.
The Cober List
Mar 23, 1969
Case: Terence Cober - Interstate Transportation in Aid of Racketeering.
Moment of Truth
Mar 30, 1969
Case: Vincent Tobias, John Beeker - Crime on a Government Reservation, Murder. A banker runs a loan sharking ring from his bank. He specializes in ripping off ex servicemen who ha