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Electronic Labyrinth: THX 1138 4EB (1967) Plot Summary & Timeline

Electronic Labyrinth: THX 1138 4EB (1967) movie poster

Electronic Labyrinth: THX 1138 4EB is a 1967 sci-fi film directed by George Lucas. This page retells the whole story in 307 words (about 1 minute to read) and covers 12 key events in order, 3 characters, where and when it is set and 3 themes. Looking for the cast, ratings and where to stream it? See the movie page for Electronic Labyrinth: THX 1138 4EB.

to read the plot summary
1 min
key events in the timeline
12
characters profiled
3
themes explained
3
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Electronic Labyrinth: THX 1138 4EB (1967) movie poster
Released
Director
George Lucas
Genre
Sci-Fi
Original language
English
No spoilers

What Is Electronic Labyrinth: THX 1138 4EB About?

The premise of Electronic Labyrinth: THX 1138 4EB in 231 words, with nothing given away. The full story follows below.

In a dystopian underground city of the distant future, existence is reduced to numbers and surveillance. Every movement is tracked, every desire regulated by an all-seeing state apparatus that views individuality as a threat to be managed. The date is May 14, 2187, and humanity lives within the cold embrace of a computerized world where even the most intimate connections are monitored and controlled.

THX 1138 4EB exists within this system as a designated unit, paired with YYO 7117 in a society where relationships are engineered rather than organic. Their bond represents something the regime finds both fascinating and dangerous—a reminder of human longing that technology cannot fully extinguish. Through clipped radio transmissions and omnipresent cameras, operators observe and manage the population, ensuring compliance through a blend of psychological conditioning and technological enforcement.

The tension between personal autonomy and state control permeates every corridor of this claustrophobic installation. The machinery of governance responds to any deviation with swift precision, demonstrating how fragile freedom becomes when every choice is watched and judged. The USC program guide accompanying the film describes this vision as a “nightmare impression of a world in which a man is trying to escape a computerized world which constantly tracks his movements”—a premise that transforms ordinary existence into a labyrinth of observation and resistance, where the human spirit must find ways to endure against the weight of institutional control.

Full plot

What Happens in Electronic Labyrinth: THX 1138 4EB?

The complete story of Electronic Labyrinth: THX 1138 4EB, from the first scene to the last, in 307 words (about 1 minute). Spoilers throughout. Names in the text link to 2 cast member pages.

Spoilers ahead

In a future governed by a tightly controlled, technologically driven regime, the film unfolds on a dated May 14, 2187 and leans into the tension between personal longing and an all-seeing state. In a world where daily life is tracked and regulated, YYO 7117 is questioned about her feelings for her mate THX 1138, described as a sexually conceived eros body. Through clipped radio messages, computer operators monitor THX 1138 as he is spotted sprinting through a corridor, illustrating how intimate life is surveilled and managed.

When confronted, THX 1138 refuses a direct order to stop and escapes toward the lower levels, triggering a response from the operators who unleash a painful mind-block. The struggle between control and autonomy intensifies as the mind-block proves difficult to maintain, and THX 1138 seems to resist its effects long enough to keep moving. The pursuit is intensified by an enhanced perfect body drawn into the chase, its presence a stark reminder of the regime’s relentless push to suppress individuality and desire.

The chase leads through the labyrinthine lower levels, where the couple finally faces the oppressive proxy of the system. They confront and kill the perfect body, a moment that shocks the operators and signals a crack in the machinery of surveillance. THX 1138 reaches a door, pries it open, and escapes the structure, breaking free from the claustrophobic grip of the installation. As THX 1138 runs into the countryside toward the setting sun, the government feeds YYO 7117 a lie—that THX has “destroyed themself”—and offers instructions on how to request a new mate, revealing the cold mechanism by which the state maintains control over reproduction and companionship.

The USC program guide accompanying the film describes it as a “nightmare impression of a world in which a man is trying to escape a computerized world which constantly tracks his movements.”

Timeline

Electronic Labyrinth: THX 1138 4EB Timeline: Every Key Event in Order

12 key events in the order they happen, from “World setting and date: May 14, 2187” to “Ending impression: a nightmare of escaping a computerized world”. 12 events name a place, across 10 locations.

  1. 1

    World setting and date: May 14, 2187

    The film establishes a highly administered, surveillance-driven society and marks the date May 14, 2187 as the setting. Citizens live under constant monitoring and the regime tightly controls reproduction and personal choice. THX 1138 and their mate THX 1138 4EB are introduced as products of this system, highlighting the cold machinery behind human life.

    When:May 14, 2187 Where:Controlled city

  2. 2

    YYO 7117 questioned about love with THX 1138 4EB

    Under interrogation, YYO 7117 denies being in love with THX 1138 4EB, illustrating the regime's denial of genuine emotion. The dialogue underscores the concept of an 'eros body' created through reproductive programming. The scene emphasizes how intimate relationships are stripped of autonomy in this world.

    Where:Interrogation chamber

  3. 3

    Operators monitor THX 1138 via radio exchanges

    A team of computer operators monitor THX 1138 and exchange radio messages about his movements. They identify him on surveillance feeds and coordinate a response to potential deviation. The scene shows the cold efficiency of the control systems keeping people in line.

    Where:Control room

  4. 4

    THX 1138 spotted on cameras in a corridor

    THX 1138 is captured on camera running through a corridor, refusing a command to stop. The pursuit reveals the limits of the infrastructure's ability to contain a determined individual. It underscores the human drive to resist the framework of control.

    Where:Security corridor

  5. 5

    THX 1138 escapes to the lower levels

    THX 1138 refuses to halt and slips away by taking a conveyance into the lower levels. The escape marks a turning point as he leaves the monitored spaces behind. The chase shifts from surveillance to a more intimate, claustrophobic pursuit through the undercity.

    Where:Lower levels

  6. 6

    Mind-block is deployed and defeated

    Operators deploy an agonizing mind-block on THX 1138, attempting to crush his autonomy. THX 1138 fights against the neurological constraint and manages to defeat it. The moment reveals a spark of resistance within the system’s carefully engineered body.

    Where:Mind-block chamber

  7. 7

    Enhanced 'perfect body' pursues through the lower levels

    An enhanced 'perfect body' is released to pursue THX 1138 and THX 1138 4EB through the lower levels. The pursuit intensifies as the system deploys a more formidable instrument of control. The chase through the dim corridors emphasizes the regime’s reach and ruthlessness.

    Where:Lower levels

  8. 8

    Confrontation leads to the killing of the perfect body

    The couple confronts the perfect body and kills it, a shocking reversal that astonishes the operators watching from above. The act demonstrates that resistance can disrupt even the most advanced enforcers. This moment raises questions about the regime’s invincibility and the potential for defiance.

    Where:Lower levels

  9. 9

    THX reaches the exterior door and escapes

    THX 1138 reaches a door, pries it open, and escapes the structure. The escape feels almost miraculous against the oppressive architecture. The outside world appears as a beacon of possible freedom beyond the regime’s walls.

    Where:Exterior door to outside

  10. 10

    Escape into the countryside toward the sunset

    THX 1138 runs through the countryside toward the sunset, leaving the city’s surveillance behind. The scene emphasizes a shift from controlled space to open terrain, symbolizing the fragile line between safety and freedom. The final stretch suggests that complete escape remains uncertain but possible.

    When:Sunset Where:Countryside

  11. 11

    Government deception: THX destroyed themselves and mates are reissued

    The government lies to YYO 7117, claiming THX 1138 destroyed themselves. Behind the lie lies a policy of replacing mates, maintaining population control while masking the truth. The deception reveals the cold, systematic nature of the regime’s control over intimate life.

    Where:Government administration

  12. 12

    Ending impression: a nightmare of escaping a computerized world

    The film closes with a stark note that the world is a nightmare of constant tracking and control. THX 1138’s escape challenges the illusion of total domination and highlights the enduring human longing for freedom. The ending leaves the audience with a sense of ambiguity about the regime’s ultimate fate.

    Where:Exterior/landscape

Characters

Who Are the Main Characters in Electronic Labyrinth: THX 1138 4EB?

3 characters, among them THX 1138 (Dan Natchsheim), YYO 7117 (Joy Carmichael) and 9021 (Ralph Stell): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • T1

    THX 1138 (Dan Natchsheim)

    Played by Dan Natchsheim

    The film's central figure, a man navigating a society where personal desires are policed by technology. He defies orders, seeks escape from a confining system, and drives the action as he challenges the regime. His perseverance and resourcefulness highlight the tension between individuality and control.

    • 🎯 Protagonist
    • 🧭 Rebel
    • 🗝️ Escape
  • Y7

    YYO 7117 (Joy Carmichael)

    Played by Joy Carmichael

    THX's mate within a regime that regulates intimate bonds. Under interrogation, she denies being in love with THX 1138 4EB, reflecting the era's repression. Her loyalty to the system contrasts with a personal hunger for connection, adding emotional stakes to the pursuit.

    • 💞 Partner
    • 🔒 Repressed
    • 🧭 Loyal
  • 9(

    9021 (Ralph Stell)

    Played by Ralph Stell

    A member of the surveillance apparatus within the totalitarian system. He observes and enforces the regime's rules, illustrating the impersonal, bureaucratic nature of control in the story's world.

    • 🕵️‍♂️ Surveillance
    • 🧰 Operator
    • 🚨 Authority
Setting

Where and When Is Electronic Labyrinth: THX 1138 4EB Set?

Electronic Labyrinth: THX 1138 4EB is set in The Facility, The Lower Levels and Countryside (May 14, 2187). Here is why the time and place matter to the story.

When

May 14, 2187

Set in the distant future, the world operates as a highly regulated, technocratic society. Personal autonomy is curtailed by advanced surveillance and reproductive controls. The timestamp anchors the events as a crucial point in the protagonist's search for freedom.

Where

The Facility, The Lower Levels, Countryside

The story unfolds inside a sprawling, highly administered complex that dominates daily life. Cameras and operators monitor THX 1138's every move within the multi-level facility. The pursuit spills from the upper floors through the lower levels and into the open countryside, highlighting the contrast between enclosed control and outside freedom.

  • 🏢 Controlled facility
  • 🛰️ Surveillance state
  • 🗺️ Multi-level structure
Themes

What Are the Themes of Electronic Labyrinth: THX 1138 4EB?

3 ideas the story keeps returning to, among them Surveillance, Freedom and Control.

  1. 01

    Surveillance

    The movie centers on a society that relentlessly tracks citizens through cameras and data networks. THX 1138's movements are recorded, questioned, and manipulated by an overseen system. The relentless surveillance creates a claustrophobic atmosphere that drives the tension and the decision to escape.

  2. 02

    Freedom

    THX 1138's escape toward the countryside symbolizes the human craving for autonomy. The attempt to break away exposes the fragility of individual choice within a controlled regime. The ending suggests freedom as a difficult, open-ended possibility.

  3. 03

    Control

    The society uses mind-blocks and the concept of an enhanced 'perfect body' to enforce conformity. The regime's mechanisms of control are embodied in both technology and bureaucratic authority. The pursuit and manipulation of THX 1138 reveal how deeply the system intertwines with daily life.

Tone & mood

What Kind of Film Is Electronic Labyrinth: THX 1138 4EB?

Tense in tone, with fast pacing and a straightforward story, going by the plot summary.

Tone
Tense
Pacing
Fast
Story
Straightforward
Intensity
High
Ending
Ambiguous

An intense, fast-paced chase through a sterile dystopia creates a constant feeling of anxiety and claustrophobic surveillance as a hero defies a controlling system.

  • anxious
  • claustrophobic
  • paranoid
  • futuristic
  • desperate
  • cold
  • escape
  • dystopia
  • surveillance state
  • rebellion

Content notes: psychological control, surveillance.

Quiz

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FAQ

Electronic Labyrinth: THX 1138 4EB Plot Questions

5 quick answers about Electronic Labyrinth: THX 1138 4EB, taken from the plot summary, character guide and setting on this page and the film’s credits.

What is Electronic Labyrinth: THX 1138 4EB about?

In a dystopian underground city of the distant future, existence is reduced to numbers and surveillance. Every movement is tracked, every desire regulated by an all-seeing state apparatus that views individuality as a threat to be managed.

Read the full plot summary

When and where does Electronic Labyrinth: THX 1138 4EB take place?

Electronic Labyrinth: THX 1138 4EB is set in The Facility, The Lower Levels and Countryside (May 14, 2187). Set in the distant future, the world operates as a highly regulated, technocratic society. Personal autonomy is curtailed by advanced surveillance and reproductive controls.

The setting explained

Who are the main characters in Electronic Labyrinth: THX 1138 4EB?

The story follows THX 1138 (Dan Natchsheim) (played by Dan Natchsheim), YYO 7117 (Joy Carmichael) (played by Joy Carmichael) and 9021 (Ralph Stell) (played by Ralph Stell).

All the characters

What are the main themes of Electronic Labyrinth: THX 1138 4EB?

The summary picks out 3 themes: Surveillance, Freedom and Control.

The themes explained

Who directed Electronic Labyrinth: THX 1138 4EB?

Electronic Labyrinth: THX 1138 4EB (1967) was directed by George Lucas.

George Lucas’s films

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