Shadowzone (1990) Timeline Explained – Every Event in Order

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1. 1

   Arrival at Jackass Flats Proving Ground

   Captain Hickock arrives at Jackass Flats Proving Ground, a subterranean facility from 1962 now housing Project Shadowzone. He has been sent to investigate the death of a Shadowzone test subject. Tommy Shivers escorts him through the largely abandoned complex as they meet Dr. Erhardt, Dr. Kidwell, and Dr. Van Fleet.

   When

   1962

   Where

   Jackass Flats Proving Ground, subterranean facility

2. 2

   Introduction of Shadowzone and the extended sleep test

   The team explains that the experiment induces extended deep sleep (EDS) in the two remaining patients. To prove it isn’t life-threatening, Hickock insists the test be repeated with a longer duration under the same parameters. The sleep chambers and computer systems sit at the heart of the operation.

   When

   1962

   Where

   Sleep lab and computer lab

3. 3

   The male subject dies and the power fails

   During the extended sleep test, the male subject’s veins swell and his head explodes. Alarms blare as the main power transformer blows, triggering an emergency shutdown and sealing the lab. The facility falls into darkness as the crisis unfolds.

   When

   during test

   Where

   Sleep laboratory

4. 4

   Female subject moved and John Doe detected

   With power down, the team moves the female subject’s sleep chamber into the computer lab to monitor the second patient. Wiley detects a fifth life form on the heat-signature screen and notes the presence of John Doe as he arrives. Tension rises as the unexpected entity shows up in the facility.

   When

   immediately after shutdown

   Where

   Computer lab

5. 5

   John Doe kills Van Fleet

   Dr. Jonathan Van Fleet seals himself in the lab and is attacked and killed by John Doe. The others react with shock, and Erhardt begins to articulate the implications of their encounter with the new form. The threat feels all too real as they regroup.

   When

   shortly after John's arrival

   Where

   Computer lab

6. 6

   Gateway theory: a door to a parallel dimension

   Erhardt explains that their sleep experiment uncovered a gateway through the unconscious mind to a parallel dimension. She theorizes that John Doe entered their world through the remaining male test subject, linking the death to a bigger mechanism. The team debates the risks of continuing the experiments.

   When

   shortly after

   Where

   Computer lab

7. 7

   John Doe escapes and the lab locks down

   Wiley finds that John Doe is no longer on the heat signature and theorizes the creature can expand and contract its molecular structure. It seems to have escaped through a drain pipe, and the lab’s emergency airlock is triggered, sealing everyone underground. The team braces for the creature’s next move.

   When

   soon after

   Where

   Computer lab / drainage system

8. 8

   Monkeys and Cutter: the animal threat escalates

   Cutter hears a screeching from a lab monkey and investigates the wall; a massive deformed rat bursts out and tears off her arm. Kidwell discovers the monkey and radios Shivers for help, but the situation rapidly escalates as the animal threat spreads. The facility’s safety is failing and panic grows.

   When

   during the creature breakout

   Where

   Lab corridors / maintenance area

9. 9

   The crew encounters gore and pursuit continues

   Shivers discovers Cutter’s body and panics, firing his shotgun as the group pursues the source of the noises. Wiley and Hickock abandon their attempt to repair the transformer and follow the sounds, only to find gore splattered on the walls and ceiling. The danger shifts from the creatures to the collapsing environment.

   When

   concurrent with the monkey incidents

   Where

   Laboratory corridors

10. 10

    Wiley dies in the elevator sequence

    Wiley manually restores power to the elevator, but the system shorts out and only Hickock can reach the lab level. Wiley’s blood splatters against the elevator window as he is pulled offscreen, sealing his fate. Hickock climbs through the top of the elevator to reach the lab.

    When

    after gore sequence

    Where

    Elevator shaft / lab

11. 11

    Erhardt’s shapeshifting hypothesis

    Back in the computer lab, Erhardt becomes fascinated by the entity and theorizes it can shapeshift and form based on human thought. She notes that John Doe could even assume the form of Van Fleet’s phobia before killing him. The creature’s adaptability becomes clearer but more terrifying.

    When

    after power restoration

    Where

    Computer lab

12. 12

    The creature claims to be dying and requests a path home

    Power returns and the creature reappears in the test lab, taking control of the computer system and communicating that it is dying and needs to return to its own dimension. It promises to spare them if they help it go back, injecting a glimmer of reluctant mercy into a deadly encounter.

    When

    when power returns

    Where

    Test lab / computer lab

13. 13

    The final portal ritual and Erhardt’s fate

    Hickock connects the female subject for another EDS to open a portal to the other dimension. Erhardt insists on witnessing and inserts a metal rod into the portal, watching it pulled through. She briefly steps inside, then reemerges excitedly, declaring, 'There are thousands of them,' before the rod is thrust back and impales her chest.

    When

    final portal procedure

    Where

    Test lab

14. 14

    Creature reclaims its exit and Erhardt is dragged away

    The creature emerges, examines Jenna’s pod, roars at Hickock, and drags Erhardt’s body back into the portal. The team realizes the gateway remains a threat even as it recedes. The lab falls quiet save for the looming possibility of more visitors from the other side.

    When

    immediately after portal incident

    Where

    Test lab

15. 15

    Final standoff and escape

    Hickock destroys the computers with a fire axe, and an electric shock knocks him unconscious. He wakes to find Jenna revived and released from the sleep chamber as the credits roll. The immediate danger has passed, but the mystery of the portal lingers.

    When

    final

    Where

    Lab / computer room