AidanN

Show generally

Continuity mistake: The first time you see the line of girls, Rhonda's shoes are "low-cut", but just before Helga says "Move it, football head", the shoes suddenly extend much higher (like they normally do in the stories).

AidanN

Show generally

Continuity mistake: When the four boys form their line (just before the adults call out "Arnold"), watch Harold's tooth; it goes from the right side of his mouth (as you look at him) to his left side.

AidanN

Beaned / Old Iron Man - S5-E11

Continuity mistake: When Arnold reads to Helga, the book title says "GEO-" and "GRAPHY" (two words); the next day, it says "GEOGRAPHY" (one word).

AidanN

Parents Day - S5-E6

Continuity mistake: In the scene where Arnold's parents leave for the last time, Grandma's hair is dark at first, then it becomes purplish-gray.

AidanN

Parents Day - S5-E6

Continuity mistake: In the tricycle section of the last event, the chinpiece of Helga's helmet keeps switching colors.

AidanN

Love and Cheese / Weighing Harold - S4-E7

Continuity mistake: Lila was pretty much entirely underwater in a "standing" position when Arnold rescued her, how come suddenly the water only reached her knees?

AidanN

It Girl / Deconstructing Arnold - S4-E9

Continuity mistake: When Eugene breaks into the area with the dogs, you see the pedals of his bike tossed into the air, but the pedals fell off on the other side of the street.

AidanN

Career Day / Hey Harold! - S3-E11

Continuity mistake: There are more than 16 slips in the hat, but only 16 students in class, and only 12 hands went in to pull out slips.

AidanN

Arnold's Thanksgiving - S3-E14

Continuity mistake: When Joey is shown in close-up, his missing tooth looks like it's there but it's covered with something black and his missing tooth keeps reappearing and disappearing in the last scenes.

AidanN

Helga's Show / The Flood - S3-E15

Continuity mistake: Grandpa's rubber raft got much bigger between the time he left the greenhouse and the time he arrived.

AidanN

Arnold's Room / Helga vs. Big Patty - S3-E4

Continuity mistake: In the locker room, Sid's hair goes from stringy to full and back to stringy.

AidanN

The Little Pink Book/Field Trip - S1-E2

Continuity mistake: On the "Presidents of the United States" sign behind Helga, the word "United" becomes "Nvited"

AidanN

Tutoring Torvald / Gerald Comes Over - S1-E13

Continuity mistake: Arnold switches from his left hand to his right hand when taking the test.

AidanN

Arnold Saves Sid / Hookey - S2-E7

Continuity mistake: The clock in the police station looks like it says it's after 5:00, but school is in session.

AidanN

Steely Phil / Quantity Time - S2-E12

Continuity mistake: Chinese Checkers is supposed to be with ten pieces per side, not six.

AidanN

Ransom / Ms. Perfect - S2-E6

Continuity mistake: When Lila is finishing her first joke, Rhonda suddenly switches from her French outfit to her "usual" one; also, during the Jell-O incident, her beret disappears and then reappears.

AidanN

Freeze Frame / Phoebe Cheats - S2-E8

Continuity mistake: The next night, Phoebe's bed clothes switch back and forth between her nightgown and her dress.

AidanN

Benchwarmer / Cool Jerk - S1-E11

Continuity mistake: The scoreboard has room for 10 names on each side when shown in close-up, but when Arnold is shooting free throws, there are only 7 spaces on each side.

AidanN

Tutoring Torvald / Gerald Comes Over - S1-E13

Continuity mistake: Arnold and Gerald have to climb stairs to get to Oskar's apartment, but this would mean the building has three floors, and the outside views indicate that there are only two (plus the attic).

AidanN

Eating Contest / Rhonda's Glasses - S2-E13

Continuity mistake: In the last scene, Rhonda is seen through the bus's rear window as sitting in the back of the bus - but just before that, she's talking to the girl with the frizzy hair in a seat closer to the front.

AidanN