Digimon Adventure
In the summer of 1999, seven children are pulled into the Digital World during summer camp and must face threats to both worlds alongside their partner Digimon. The saga begins with the original Digimon Adventure (1999-2000), continues three years later in Digimon Adventure 02 (2000-2001), follows the now-teenage cast in Digimon Adventure tri. (2015-2018), and concludes their coming-of-age arc in Digimon Adventure: Last Evolution Kizuna (2020) — a long-running series in which the protagonists age in step with real-world time.
- Genre:
- アドベンチャー / バトル / SF / 子供向けアニメ
- Medium:
- Anime / Film
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Digimon Adventure — Timeline18 events
The Highton View Terrace Incident
Years before the main story, in Odaiba's Highton View Terrace district, a Digimon hatched from a mysterious egg clashes violently with an invading hostile Digimon. The incident is publicly explained away as a terrorist bombing and many families move away, but a few children — including a young Yamato and Takeru — retain fragmented memories of what they witnessed that night.
— Depicted in flashback in Episode 29, 'Return to Highton View Terrace' (1999). The story states it occurred '4 years' before the present events, which fan resources and Wikimon's Episode 29 entry place around spring 1995. No exact calendar date has been officially confirmed, so this is treated as an estimate.
Seven Children Are Transported to the Digital World
Seven children from Odaiba, Tokyo — Tai, Yamato, Sora, Koushiro, Jou, Mimi, and Takeru — are attending a summer camp when they are suddenly transported to the Digital World. Each receives a Digivice and meets the Digimon who will become their partner.
— The single specific date confirmed in the English Wikipedia article on the 1999 TV series. Marks the opening of Episode 1.
Battle with the Demon Digimon Devimon
The children confront Devimon, a demonic Digimon who controls nearby Digimon with Black Gears to dominate villages across File Island. Their partner Digimon awaken new powers beyond their initial forms to defeat him.
— Early TV series arc (File Island). Exact in-story elapsed time varies across sources, so this is an estimate.
The Search for Crests and the Battle with Etemon
Seeking the Crests needed for higher-level Digivolution, the group travels toward the Server Continent and clashes with the forces of Etemon, a self-styled rock-star Digimon warlord. Through this arc, Koushiro begins to suspect the existence of an eighth Chosen Child.
— Mid-series arc.
The Truth Behind the Highton View Terrace Incident Is Revealed
Drawing on Yamato and Takeru's childhood memories, the group discovers that the 'terrorist incident' they witnessed as young children was in fact a battle between Digimon. This revelation becomes an important thread tying the Chosen Children's origin to the story's coming antagonist.
— TV Episode 29, 'Return to Highton View Terrace.'
Vamdemon Invades the Real World in Odaiba
In search of the eighth Chosen Child, Vamdemon and his forces cross through a gate into the real-world district of Odaiba. The children follow him back to the real world, setting off a chase to find the child before he does.
— Mid-to-late TV series arc set in the real world. Some fan calculations place this on 'August 1–2, 1999,' but that would sit implausibly close to the children's original transport date given the story's own indications of elapsed time in the Digital World, and no official date has been confirmed — hence marked as needing review.
Hikari Revealed as the Eighth Child; Vamdemon Is Defeated
Tai's younger sister Hikari is revealed to be the eighth Chosen Child, partnered with Gatomon. After a fierce battle in Odaiba, the Chosen Children defeat Vamdemon — but the confrontation leaves the boundary between the real world and the Digital World increasingly unstable.
— Based on the plot summary in the English Wikipedia article on the 1999 TV series.
The Dark Masters Seize Control of the Digital World; the Group Splits
Returning to the Digital World, the children face the four Dark Masters, who have carved up the continent among themselves. The strain of the battle causes a rift within the group, splitting them apart, but they eventually reconcile, reunite, and defeat the Dark Masters together.
— Late TV series arc featuring the Dark Masters.
Apocalymon Is Defeated; the Children Part with Their Partners and Return Home
The Chosen Children win a final battle against Apocalymon, a mysterious being bent on erasing the Digital World from existence. Having overcome the crisis, they bid farewell to their partner Digimon and return to their ordinary lives in the real world.
— The English Wikipedia plot summary states only that 'after defeating Apocalymon, the children leave their Digimon partners behind and return to their normal lives,' without a specific calendar date for the return. Given the show's broadcast run (March 1999 - March 2000), the exact year may span the turn of the millennium, so this is treated as an interpretive estimate.
The Digimon Emperor Rules the Digital World
Three years after the original series, a new generation of Chosen Children — including Daisuke — begins its own adventure, only to find the Digital World being ravaged by the mysterious 'Digimon Emperor,' who enslaves Digimon with Dark Rings and Control Spires.
— Digimon Adventure 02 is set 'three years' after the original series per the Japanese continuity (some English-dub-based sources say 'four years'). Taking 1999 as the original series' start, this places 02 around 2002 in the Japanese version. The exact calendar year is not explicitly stated on-screen, so this is an estimate.
Ken Ichijouji's Identity Is Revealed; He Joins the Chosen Children
The Digimon Emperor is revealed to be the genius boy Ken Ichijouji. Through battle and confrontation with Daisuke and the others, Ken is freed from his desire to dominate and joins the group as a Chosen Child bearing the Crest of Kindness.
— Mid-series development in Digimon Adventure 02.
The Threat of MaloMyotismon, Born from Oikawa and Vamdemon
Using the body of the adult Oikawa as a vessel, the power of the once-defeated Vamdemon is reborn as MaloMyotismon. Absorbing the power of the Dark Spores, it attempts to plunge both the real world and the Digital World into darkness.
— Late arc of Digimon Adventure 02. The name 'MaloMyotismon' is the widely used English-language designation for this form.
MaloMyotismon Is Defeated and the Barrier Between the Two Worlds Vanishes
Imperialdramon Fighter Mode, empowered by the combined strength of all the Chosen Children, defeats MaloMyotismon. In the aftermath, the barrier separating the real world from the Digital World breaks down, opening the way for people everywhere to eventually meet Digimon of their own.
— Final episode of Digimon Adventure 02.
25 Years Later — A World Where Humans and Digimon Coexist
Twenty-five years after the main story, the once-young Chosen Children have grown into adults, some now with children of their own. Digimon partners have become commonplace worldwide, and the epilogue depicts a future in which humans and Digimon live side by side.
— The final episode of Digimon Adventure 02 explicitly states only a '25 years later' time skip; no specific calendar year is stated on-screen. This timeline estimates c. 2027 by adding 25 years to the show's estimated setting of c. 2002 — a figure consistent with the later films' stated years (tri. = 2005; Kizuna = 2010).
Now in High School, Tai and the Others Reunite with Their Partners as Kuwagamon Appears
Six years after the original series, in 2005, Tai and the others — now high schoolers — are reunited with their partner Digimon when Kuwagamon suddenly appears in Odaiba. A new Chosen Child, Meiko Mochizuki, and her partner Meicoomon are also introduced.
— The English Wikipedia article on Digimon Adventure tri. explicitly states it is set 'six years after Digimon Adventure,' in 2005.
The Threat of Infected Digimon and the Forced Reboot of the Digital World
A wave of infected, increasingly violent Digimon spreads across the Digital World. A being calling itself Homeostasis warns the Chosen Children that both worlds face collapse, and they attempt a forced reboot meant to preserve their partners' memories. Instead, the partners awaken afterward with no memory of the children at all.
— Spans tri.'s second through fourth chapters ('Determination,' 'Confession,' 'Loss'), so no specific in-story date can be pinned down; treated as an estimate.
A Heavy Price Surrounding Meicoomon, and the Crisis Between Both Worlds Comes to an End
Meicoomon's rampage triggers a chain of grave events that shake both worlds. The Chosen Children's bonds are tested at great cost, but Omnimon ultimately reaches a special new form, and the crisis moves toward resolution around Christmastime.
— Covers tri.'s fifth and sixth chapters ('Coexistence,' 'Future'). This arc includes heavier, more controversial plot beats, which this entry describes euphemistically to avoid spoiling specifics.
A Mysterious Aurora, Parrotmon's Appearance, and a Crossroads for Growing Up and Bonds
Five years after tri., in July 2010, a mysterious aurora appears over Japan and Parrotmon emerges in Nakano, Tokyo. Now university students still unsure of their paths, Tai and the others learn that Chosen Children around the world are falling into comas as their partners go missing. Confronting the harsh truth that growing up strains the bond between humans and Digimon, the story reaches its conclusion for this bond and the two worlds.
— The English Wikipedia article on Digimon Adventure: Last Evolution Kizuna explicitly states 'July 2010' and 'five years after tri.' The ending involves emotionally heavy material, so specific details are omitted here.
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