Mission: Impossible: 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 Mission: Impossible 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
The Code
Sep 28, 1969
In order to stop an invasion and shatter an alliance between two countries, the IMF team must photograph and break a code in a matter of minutes.
The Numbers Game (aka: The Key)
Oct 5, 1969
The team tries to get a deposed dictator to divulge his Swiss bank account number by tricking him into believing World War III is about to begin.
The Controllers (1)
Oct 12, 1969
Jim and a female agent pose as scientists who have invented a new drug in order to replace a real drug that turns people into willing slaves.
The Controllers (2)
Oct 19, 1969
As Barney taints the water system with a mind-numbing drug, Jim is captured and put on trial, where he must discredit an enemy scientist.
Fool's Gold
Oct 26, 1969
Paris poses as a counterfeiter in order to gain access to a safe and destroy millions in phony money, as well as the plates used to make it.
Commandante
Nov 2, 1969
An imprisoned priest is about to be executed, so Jim and Willie pose as U.S. religious workers who are willing to trade guns in exchange for his safety.
Submarine
Nov 16, 1969
Upon his release, a prisoner plans to fund neo-Nazis with stolen money. So a submarine voyage is simulated in order to transport him to his contact.
Mastermind
Nov 23, 1969
As Barney Collier attempts to break into a safe that contains an incriminating file, Paris convinces a mob figure that he can read the mind of his double-crossing boss.
Robot
Nov 30, 1969
A country is unaware that its premier is dead and that a double is about to appoint a successor. So Barney Collier concocts a mechanical man to take his place.
The Double Circle
Dec 7, 1969
An art lover is made to believe he can own a priceless work of art, but it is really a plot to retrieve a valuable formula from his impenetrable safe.
The Brothers
Dec 14, 1969
A Middle Eastern king needs to be restored to the throne. So a medical operation is replicated where he will seemingly donate his kidney to his murderous brother.
Time Bomb
Dec 21, 1969
The IMF team has to try and gain access to a nuclear reactor complex, where a terminally ill officer plans to detonate an atomic bomb.
The Amnesiac
Dec 28, 1969
Jim Phelps poses as an amnesia victim in order to retrieve a stolen isotope, one that could make nuclear weapons affordable to any country.
The Falcon (1)
Jan 4, 1970
Paris masquerades as Zastro, a magician who has come to entertain during an arranged wedding between the king's sister and a ruthless usurper.
The Falcon (2)
Jan 11, 1970
With the king's sister rescued during the wedding, the team now turns its attention to the true heir, who's locked up in prison.
The Falcon (3)
Jan 18, 1970
Just as Jim Phelps and the others unwittingly become caught up in a royal power struggle, a bomb goes off, seriously injuring Paris and revealing his disguise.
Chico
Jan 25, 1970
Two halves of a microfilm add up to one dangerous list for the agents it will incriminate. But Barney plans to use a trained dog to retrieve it.
Gitano (aka Toys)
Feb 1, 1970
A 12-year-old king whose life is in danger is rescued by gypsies - Paris and Willie in disguise - and forced to dress up like a girl to fool his assassins.
Phantoms
Feb 8, 1970
A murderous dictator's belief in ghosts is used against him when Barney fashions a clever system that projects spirits of his dead victims before his eyes.
Terror
Feb 15, 1970
Jim and his team must infiltrate a prison in order to block the release of a ruthless Middle Eastern terrorist about to be pardoned.
Lover's Knot
Feb 22, 1970
While in London to break a spy ring, Paris develops feelings for the beautiful Lady Weston after he is cast as a jealous lover in a romantic triangle.
Orpheus
Mar 1, 1970
An unknown assassin must be stopped, so Barney infiltrates the foreign agency that employs him while Jim poses as a drug addict with information to sell.
The Crane
Mar 8, 1970
Jim and his team rescue a prisoner and place him in a spot his captors will never think to look - a conspicuous location right under their noses.
Death Squad
Mar 15, 1970
Barney kills a man in self-defense and is marked for execution by the victim's brother, a chief of police who heads a death squad.
The Choice
Mar 22, 1970
A duchess is under the powerful spell of a mystic, who notices his uncanny resemblance to Paris and plans to use him in a plot to ascend to the throne.
The Martyr
Mar 29, 1970
As a duplicitous dictator courts the young people of his country, Paris poses as the son of his predecessor, a martyred youth leader.