Digimon Adventure Episode 5 -

The reboot episode takes a more lore-heavy approach, focusing on the history of the Digital World and the underlying conflict. :

There are two different series titled " Digimon Adventure "—the original 1999 classic and the 2020 reboot. Digimon Adventure Episode 5

The group finds a factory on a seemingly uninhabited island. The reboot episode takes a more lore-heavy approach,

Izzy (Koushiro) wanders off to investigate the machinery and finds a secret room with a large power source. Digimon Adventure Episode 5

Watch the full 2020 reboot episode with English subtitles to see the ancient war backstory unfold:

: The children encounter Valdurmon's spirit, which explains the history of a massive ancient war between light and dark Digimon.