- Cross-Dressing Voices: In the Japanese version, Yamato and Takeru's grandmother Kinu is voiced by actor Masami Kikuchi.
- Technology Marches On: A major part of the conflict in the movie is based off the fact that a phone network is necessary for the characters to use in order to use the Internet, which is no longer a problem with modern technology. One massive plot point is that the sheer amount of emails that Tai and Izzy are receiving is also clogging the bandwidth and causing huge amounts of lag, much to the pain of WarGreymon and MetalGarurumon. Later turns into a Chekhov's Gun where Izzy nails Diaboromon with all of the other emails, causing him to slow down long enough for Omnimon to destroy him.
- Unintentional Period Piece: People who didn't grow up in the Turn of the Millennium when the movie released would likely have a hard time understanding some of the major sources of drama of the movie, as dial-up connection isn't a thing anymore.
Trivia / Digimon Adventure Movie: Our War Game!