The Dark Heart of Friendship - S4-E25
Continuity mistake: Asuramon's faces keep changing positions. One shot his yellow/happiness face is on the left, the next it's on the right, and the same goes for his blue/sadness face.
Digimon (1999)
1 continuity mistake in season 4 - chronological order
Starring: Steve Blum, Mona Marshall, Derek Stephen Prince, Tifanie Christun
Genres: Action, Adventure, Animated, Family, Fantasy, Thriller
Plot hole: When the DigiDestined return to the real world, Izzy states that only a few minutes have passed by despite the weeks that have elapsed in the DigiWorld. However, in an earlier episode, Tai returns to the real world for hours and upon his return to the DigiWorld, only a few weeks have passed by.
Wizardmon: Are you okay, Gatomon?
Gatomon: You saved me. I'm sorry.
Wizardmon: For what?
Gatomon: Sorry I got you involved in this.
Wizardmon: Don't be sorry. I don't have any regrets. If I hadn't met you, my life would've had no meaning. I'm glad that you and I became friends.
Gatomon: That's forever.
More trivia for Digimon
Question: How did the streetcar, phone booths, and vending machines end up in the digiworld?
Answer: People who built the digital world most likely had them sent there. Gennai tells the kids in the last episode that the streetcar was from San Francisco, and he asked them to take it back for him.
Answer: We are never told as to how they got there.