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Mazinger Z: Infinity (2017) movie poster

Timeline

Mazinger Z: Infinity (2017) Timeline Explained – Every Event in Order

Release, runtime and language
2017 · 95 mins · Japanese
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Directed by
Junji Shimizu
Starring
Natsuki Hanae, Bin Shimada, Ami Koshimizu, Keiji Fujiwara, Ai Kayano, Romi Park

When the evil Dr. Hell attacks the Earth, the mighty giant mecha Mazinger Z is formed to stop him.

Animation Action Cast, crew & box office
On this page (5)
  1. 1 Where to watch
  2. 2 Events in order (12)
  3. 3 Timeline questions answered
  4. 4 Movie threads
  5. 5 Every angle
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12 events in order · contains spoilers

Mazinger Z: Infinity Timeline: Events in Chronological Order

Every key event of Mazinger Z: Infinity (2017) in order, scene by scene, with when and where it takes place. Use it to untangle flashbacks, time jumps and parallel storylines, to refresh your memory before the sequel or to find the exact scene you are thinking of.

  1. Peaceful era after the war

    Ten years after the war against Dr. Hell and his Mechanical Beasts, the world enjoys peace powered by photonic energy. Koji Kabuto has become a distinguished scientist, Sayaka Yumi directs the Photon Research Institute, and Tetsuya Tsurugi remains a military pilot while Jun Hono is pregnant. Shiro Kabuto also serves as a military mecha pilot, signaling a stable and hopeful era.

    When
    Ten years after the war
    Where
    Earth

  2. Infinity uncovered beneath Mt. Fuji

    During the construction of the Photon Research Institute's new building, workers uncover an enormous robot buried beneath Mt. Fuji. Koji Kabuto investigates and a girl emerges from inside the robot. This girl, Lisa, is revealed to be the robot's main control unit, a 91% organic AI with real feelings.

    When
    During construction of the institute
    Where
    Mt. Fuji / Photon Research Institute construction site

  3. Dr. Hell's attack and Lisa's revelation

    Shortly after the discovery, Dr. Hell launches a brutal assault on the institute with new Mechanical Beasts and his henchmen, Baron Ashura and Count Brocken. He steals Infinity and uses captured Tetsuya and Great Mazinger as an activation key, unable to obtain Lisa. Lisa explains that Infinity's final power, Goragon, can cause a forced quantum overlap to swap universes, driving Dr. Hell's plan to annihilate this world.

    When
    Shortly after discovery
    Where
    Photon Research Institute

  4. Upgrading Mazinger Z to confront the threat

    Dr. Nossori and Dr. Sewashi employ a giant photonic energy 3D printer to repair and upgrade the original Mazinger Z, which had been hidden at the old Photon Research Institute. This prepares Koji to infiltrate the invader's stronghold with Lisa's help. The rebuilt Mazinger Z returns with renewed power to fight inside the Photon Institute.

    When
    Between the first attack and the infiltration
    Where
    Old Photon Research Institute / Photon Institute

  5. Infiltration of the Photon Institute

    Koji and Lisa pilot the refurbished Mazinger Z into the invaded Photon Institute to confront the Mechanical Beasts within. They navigate the facility’s corridors, leveraging Lisa's organic AI insights and Mazinger's renewed capabilities. Their objective is to disable Hell's control over Infinity and reclaim the activation key.

    When
    During the invasion
    Where
    Photon Institute interior

  6. Showdown with Baron Ashura and Count Brocken

    Inside the institute, Mazinger Z battles and defeats Baron Ashura and Count Brocken. The duel strains the hero's machine as they press toward stopping Dr. Hell's plan. With the henchmen fallen, Koji and Lisa advance toward Dr. Hell's robot to confront the mastermind.

    When
    During the infiltration
    Where
    Photon Institute interior

  7. Goragon threat escalates

    Mazinger Z confronts Dr. Hell's robot, but the fight leaves Mazinger Z gravely damaged. Shiro Kabuto arrives to rescue Great Mazinger, allowing a renewed strike against Infinity. They halt the Goragon countdown briefly, only for Dr. Hell to exploit a Bardos scepter containing Great Mazinger's activation code and trigger Goragon.

    When
    Climax of the infiltration
    Where
    Photon Institute / Infinity battlefield

  8. Alternate dimension glimpse

    In the adjacent dimension, Koji witnesses an alternate universe where Lisa is his and Sayaka's daughter. The vision reframes what is at stake and strengthens the resolve of the team. Lisa uses the moment to guide their path toward a hopeful future.

    When
    During Goragon activation
    Where
    Adjacent dimension

  9. Lisa becomes the universal key

    Lisa sacrifices herself as the key to Mazinger Z's power, transforming photonic energy into matter to mirror Infinity's power. The people of Earth contribute their photonic energy to Mazinger Z, empowering it to strike Infinity and push it off the planet. Koji delivers the final blow, expelling Infinity from the world and triggering its explosion.

    When
    Final battle
    Where
    Earth

  10. Lisa's sacrifice and a hopeful reunion

    With Infinity destroyed, Lisa vanishes but reassures Koji that they will meet again. The world returns to peace as the team mourns the loss and clings to the hope of future contact across dimensions. Koji and Sayaka reflect on love, science, and the promise of reunion beyond this life.

    When
    Immediately after the battle
    Where
    Earth

  11. Birth of a new life

    Jun Hono gives birth to Tetsuya's child, a personal milestone for the pilots who fought to protect the world. The event marks a renewal of life amid the era's restored peace. The tiny new life embodies the lasting legacy of all they endured.

    When
    Following the battle
    Where
    Japan

  12. A new beginning: marriage and a child named Lisa

    Koji and Sayaka marry, signaling a new chapter for the couple who led the defense of Earth. They are later seen walking with a child named Lisa, suggesting a hopeful future that blends science, love, and the memory of their friend. The ending frames peace, family, and the enduring bond between humans and technology.

    When
    After the battle
    Where
    Japan

Last updated: October 01, 2025 at 13:05

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Timeline questions answered

Mazinger Z: Infinity Timeline Explained: Your Questions Answered

When does it happen, and why in that order? The questions people ask about the chronology of Mazinger Z: Infinity (2017): time jumps, flashbacks, cause and effect between scenes and the correct order of events, each answered with spoilers.

Q1

Why does Dr. Hell want to destroy the world?

Dr. Hell believes this world is not worth existing. After his defeat ten years ago, he returns with Infinity and plans to use Goragon's power to force a quantum overlap that will swap this universe with another, effectively erasing everything.

Foreshadowing: Earlier scenes establish Hell's nihilistic worldview and his longstanding hatred of humanity.

  • dr hell
  • goragon
  • quantum overlap
  • universe swap
  • destruction
Q2

How does Dr. Hell activate Infinity without Lisa?

Dr. Hell captures Tetsuya Tsurugi and Great Mazinger, using them as an improvised activation key since he couldn't obtain Lisa. Later, he exploits a Bardos scepter containing Great Mazinger's activation code as a backup key to trigger Goragon.

Foreshadowing: The stolen Great Mazinger is shown being taken to the fortress before the full threat becomes clear.

  • tetsuya
  • great mazinger
  • activation key
  • bardos scepter
  • infinity
Q3

What is Goragon and how does it work?

Goragon is Infinity's ultimate power, a forced quantum overlap that can swap this universe with another dimension. Lisa explains this capability shortly after her emergence, revealing why Dr. Hell is so desperate to obtain the machine.

Foreshadowing: Lisa's description of Infinity's capabilities hints at cosmic-scale danger.

  • goragon
  • quantum overlap
  • infinity
  • dimension swap
  • machine
Q4

Why does Lisa sacrifice herself at the end?

Lisa uses herself as the key to grant Mazinger Z power equal to Infinity's by transmuting photonic energy into matter. This allows the combined energy of Earth's people to empower Mazinger Z enough to push Infinity off-planet and destroy it.

Foreshadowing: The alternate dimension vision shows Lisa as Koji and Sayaka's daughter, establishing her emotional connection to the family.

  • lisa
  • sacrifice
  • photon energy
  • matter transmutation
  • mazinger z
Q5

How does Mazinger Z gain enough power to defeat Infinity?

Lisa transforms photonic energy into matter, giving Mazinger Z power equivalent to Infinity's. The planet's inhabitants pool their photonic energy into Mazinger Z, enabling Koji to deliver a decisive blow that pushes Infinity off-planet and triggers its explosion.

Foreshadowing: The dimension glimpse foreshadows Lisa's ability to bridge realities and transfer power.

  • mazinger z
  • infinity
  • photon energy
  • combined power
  • defeat
Q6

Why does Koji see an alternate dimension where Lisa is his daughter?

During Goragon's activation, Koji glimpses an adjacent dimension where Lisa exists as his and Sayaka's daughter. This vision strengthens the team's resolve and explains why Lisa chooses to sacrifice herself, she sees this alternate family as her true purpose.

Foreshadowing: Lisa's 91% organic nature and emotional capacity hint at her deeper connection to humanity.

  • alternate dimension
  • lisa
  • daughter
  • vision
  • koji sayaka
Q7

What is the Bardos scepter and why is it important?

The Bardos scepter is a device containing Great Mazinger's activation code. Dr. Hell uses it as a backup activation key after Shiro rescues Great Mazinger, allowing him to trigger Goragon despite losing control of the giant robot.

Foreshadowing: The scepter is introduced as Hell's final contingency plan during the escalating battle.

  • bardos scepter
  • activation code
  • great mazinger
  • backup key
Q8

Why does Shiro Kabuto arrive to help at the critical moment?

Shiro Kabuto arrives to rescue Great Mazinger after it was captured by Dr. Hell. His intervention allows Tetsuya to re-pilot Great Mazinger, enabling them to halt the Goragon countdown and buy time for Koji's final approach.

Foreshadowing: Shiro's military mecha pilot status is established early, setting up his timely arrival.

  • shiro kabuto
  • great mazinger
  • tetsuya
  • rescue
  • goragon countdown
Q9

What is Infinity and why does it have a human form?

Infinity is an enormous robot buried beneath Mt. Fuji, discovered during Photon Institute construction. Its main control unit is Lisa, a 91% organic AI with genuine feelings. Her human-like form allows her to interface directly with the machine and understand emotional nuance.

Foreshadowing: The discovery scene emphasizes the robot's massive scale before Lisa's emergence.

  • infinity robot
  • lisa
  • mt fuji
  • organic ai
  • human form
Q10

Why do Koji and Sayaka name their child Lisa?

Koji and Sayaka name their daughter Lisa as a tribute to the AI who sacrificed herself to save the world. The ending shows them walking with their child named Lisa, symbolizing hope for reunion and the enduring legacy of their friend.

Foreshadowing: Lisa's promise that they will see each other again, combined with the alternate dimension vision, sets up this emotional conclusion.

  • koji
  • sayaka
  • child lisa
  • naming
  • legacy
  • tribute
Q11

How does the photonic energy 3D printer upgrade Mazinger Z?

Dr. Nossori and Dr. Sewashi use a giant photonic energy 3D printer at the old Photon Research Institute to repair and enhance the original Mazinger Z. This upgrade restores Koji's old mecha and gives it renewed power to face the new threat.

Foreshadowing: The existence of the hidden Mazinger Z is revealed early, setting up its restoration.

  • photon 3d printer
  • mazinger z upgrade
  • dr nossori
  • dr sewashi
  • restoration

Movie threads

More Movies Like Mazinger Z: Infinity, by Mood & Story

Curated lists built around what makes Mazinger Z: Infinity tick: the same mood, the same kind of story or the same emotional payoff. Each list explains why these movies belong together.

Nostalgic Mecha Epics like Mazinger Z: Infinity

Epic stories where giant robots defend the Earth with a hopeful spirit. If you enjoyed the giant robot action and hopeful tone of Mazinger Z: Infinity, you'll find similar stories here. This collection features movies with epic mecha battles, high-stakes sci-fi conflict, and a nostalgic homage to classic heroes saving the world. Explore films that capture the same spirit of technological wonder and triumphant defense.

  • epic
  • hopeful
  • nostalgic
  • tense
  • triumphant
  • urgent
  • Tone: hopeful, triumphant
  • Pacing: fast, urgent
Why these movies?

The story pattern: Stories in this thread typically revolve around a resurgence of a past evil or the emergence of a new global threat, demanding the reactivation or creation of a legendary giant robot. The narrative follows a clear heroic journey, involving frantic battles, moments of despair, and a final, costly victory that secures peace for the future.

Why they belong together: These movies are grouped by their shared focus on giant mecha as symbols of hope and power, their high-intensity action sequences, and their balancing of epic scale with heartfelt themes of legacy and responsibility. They deliver a specific blend of visual spectacle and optimistic heroism.

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Bittersweet Sci-Fi Victories like Mazinger Z: Infinity

Stories where saving the world comes with a poignant personal cost. For viewers who appreciated the emotional weight and bittersweet ending of Mazinger Z: Infinity, this section highlights similar movies. These stories feature climactic battles and world-saving plots that conclude with a poignant cost, blending triumph with melancholy. Find other films where victory is achieved but remembered with a touch of sadness.

  • bittersweet
  • triumphant
  • melancholic
  • tense
  • hopeful
  • urgent
  • Tone: bittersweet, hopeful
  • Pacing: fast, steady
Why these movies?

The story pattern: The narrative pattern involves a high-stakes conflict where the heroes ultimately succeed in their grand goal—saving the city, world, or universe—but not without significant personal loss. The ending often reflects on this cost, creating a finale that is victorious yet sobering, emphasizing that peace often requires great sacrifice.

Why they belong together: These films are united by their specific emotional mix: the exhilaration of a large-scale victory combined with the poignant weight of loss. They share a narrative structure where the climax resolves the central conflict but leaves characters and the audience contemplating the price of that resolution.

Battle Beyond the Stars movie poster

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1998
Galaxy Express 999: The Movie movie poster

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Appleseed Alpha movie poster

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1961
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Cocoon: The Return

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Every angle

Mazinger Z: Infinity (2017) Explained: Plot, Timeline & Characters

Everything about Mazinger Z: Infinity in one place: what happens in the plot summary, the timeline in chronological order, the characters and meaning and a spoiler-free summary. What's After the Movie adds the cast, box office and post-credit scenes.

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