When Siegfried and Smart meet at the park, Siegfried is wearing dress shoes, but when he is forced to swap clothes with his brother, Siegfried is now wearing a tennis shoe on his left foot.
When Max is fighting the Kaos agent down stairs in his house. The time on the clock alternates.
Nicholas Dimente's body after he is struck by lightning.
In the original series, the KAOS logo was crimson, but in this movie, the KAOS logo is golden.
In the original series, the KAOS logo was crimson, but in this movie, the KAOS logo is brown with a golden edging and a golden eagle figure.
Professor Schmelding declares that he is an identical triplet to Siegfried and a sister. However, it is scientifically impossible to have identical births of different genders.
In the scene where he meets Commander Drury, Max says he wants to reopen CONTROL and put his old team back together. But Max didn't have a team in the original series - he would go on his missions alone, or partner with agent 99.
From whom did Nicholas Dimente buy the controlling shares of KAOS? The name of the former KAOS leader is never mentioned in the story.