Continuity mistake: When Arnold sees Mr. Hyunh and Oskar in the hallway (wood paneling) with their boxes, note Mr. Hyunh's number 3 door is open inward inside his room (it has banana wallpaper). Arnold then asks if he has seen Grandpa, and Mr. Hyunh gets upset, so he walks back into his room. The problem is the door to Hyunh's room is now on the opposite side of the doorway. (00:18:15)
Super Grover
3rd Apr 2025
Hey Arnold! The Movie (2002)
3rd Apr 2025
Hey Arnold! The Movie (2002)

Other mistake: After Murray and Mona are reunited, when Arnold and Helga talk about the crazy day and the really nutty things that were said, we can see stores on the block behind Arnold, but the animators have misplaced Mr. Green's butcher shop; it's not where it should be. Then, when Helga agrees that she hates stupid football head, Green's Meats is next door to Art's Shoe Repair, right where it should be. (01:10:00)
2nd Sep 2024
Hey Arnold! The Movie (2002)

Other mistake: In the FTI records room, when Arnold and Gerald open safe deposit box 999, the box is quite empty with a mirrored surface, and we can see the reflection of Scheck appearing behind them. The problem is Scheck's reflection is not backwards. (00:50:50)
1st Sep 2024
Hey Arnold! The Movie (2002)

Continuity mistake: Inside the FTI records room, Scheck tells Arnold and Gerald, "My guards will now lock you away where you won't cause any more trouble." As the FTI guards approach the boys, Gerald notices the two crisscrossed cutlasses hanging on the wall, with scabbards of different colors, but when Gerald reaches for those two weapons, the two cutlasses are facing the opposite way. Additionally, the lighter scabbard tip changes color, and the hooks they hang on also change, from transparent to silver. (00:51:50)
1st Sep 2024
Hey Arnold! The Movie (2002)

Continuity mistake: Scheck calls Nick and informs him the kids have a copy of the document on videotape, and they're headed uptown. During the following scenes, both Nick and Big Bob have medical adhesive tape on their cheeks (due to their earlier fight). In some shots Nick's cheek has two crisscrossed tape strips, but in other shots only a single strip of tape; the changes go back and forth. (01:03:20)
1st Sep 2024
Hey Arnold! The Movie (2002)

Continuity mistake: When Murray is told it's Mona's neighborhood that's to be demolished, he begins to speed. Murray then tells the kids to pray for the hunk of junk bus to hold together long enough to get them uptown in one piece. In the next shot, the rear right tire's hubcap flies off, but in the following shots, that hubcap is back on the rear right tire. (01:00:35)
1st Sep 2024
Hey Arnold! The Movie (2002)

Continuity mistake: After Scheck catches the duo in the FTI records room with safe deposit boxes, Scheck removes a painting from the wall while he rages on about the tomato incident; then he destroys the painting. However, when Arnold fights off the guard with the mustache, that painting is intact and back up on the wall in this shot. (00:51:30 - 00:51:55)
1st Sep 2024
Hey Arnold! The Movie (2002)

Other mistake: While Arnold and Gerald are headed to FTI on the city bus, Murray tells them about Mona. When Murray says, "You meet a girl, you think it's forever," the animation is a bit skewed, as it shows the steering column going through Murray's right thigh. (00:46:25)
1st Sep 2024
Hey Arnold! The Movie (2002)

Continuity mistake: When Arnold and Gerald go to see Mr. Bailey at the Office of Information, Bailey's tie has diagonal stripes that change direction to the opposite way in some shots. (00:26:15)
28th Jul 2024
Hey Arnold! The Movie (2002)

Continuity mistake: At the start, while the neighborhood crowd watches Scheck make his statement at the televised press conference, when Eugene begins to sing, mailman Harvey's buttons have switched from his right side to left side on his uniform shirt. Harvey's moustache has vanished in the interim as well (his white undershirt also disappears and reappears). (00:03:25 - 00:04:40)
28th Jul 2024
Hey Arnold! The Movie (2002)

Continuity mistake: Bridget gives the "synchronized, programmable, glow-in-the-dark watches" to Arnold and Gerald. When the two boys steal the safe's key from Nick, they wear their watches on their left wrists. Then, Arnold and Gerald get on the city bus, and thereafter for the rest of the movie, both of their watches randomly vanish and reappear during numerous successive shots, as well as mid-shot. (00:45:40)
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