Continuity mistake: When the head of security carries Arnold and Gerald into Scheck's office, there is nothing on Scheck's desk. Later on, Scheck goes to his desk and picks up a glass full of cherries, which wasn't there before. (00:31:36)
Continuity mistake: When Scheck closes the doors to his office and starts talking to Arnold and Gerald, there are no locks on the doors. Then, when Arnold says, "I'm Arnold, and this is Gerald," a lock appears under the left door handle, then disappears. (00:31:41)
Continuity mistake: When Arnold and Gerald walk out of Mr. Bailey's room, there are blinds on Mr. Bailey's window. A few seconds later, as Mr. Bailey is talking to them, they disappear. (00:26:23)
Continuity mistake: When Arnold and Gerald walk out of Mr. Bailey's room, there is a door with the words, "Municipal Services" on it, which are black. When Mr. Bailey goes to talk to them, they change to yellow. (00:26:20)
Continuity mistake: When Arnold and Gerald walk to the bus stop in their suits, there is nothing next to the bus stop sign. When the bus leaves and Helga starts talking to herself, a sewer drain appears next to it for Brainy to come out of seconds later. (00:37:47)
Continuity mistake: When Helga is talking to her Arnold shrine, the candles around her constantly change position between shots. (00:22:23)