AidanN

Door #16 / Arnold as Cupid - S1-E10

Factual error: Ernie removes two screws from a glass panel in the skylight, but then lifts the panel from the side that's still screwed in.

AidanN

Freeze Frame / Phoebe Cheats - S2-E8

Trivia: Arnold's computer is made by Purdy Electronics; Joseph Purdy wrote the episode.

AidanN

Benchwarmer / Cool Jerk - S1-E11

Other mistake: The names for the Green and Yellow teams' players are the same.

AidanN

Magic Show / 24 Hours to Live - S1-E18

Continuity mistake: The boarding house has a downstairs bathroom, but in "Gerald Comes Over", there's only one bathroom and it's upstairs.

AidanN

Helga's Makeover/The Old Building - S1-E4

Trivia: Helga walks by the "Law Office of Garcia, James A."; Tricia Garcia is the storyboard artist for this episode.

AidanN

6th Grade Girls/The Baseball - S1-E5

Continuity mistake: While walking down the stairs, Maria only has three toes on each foot; she has four at the pool.

AidanN

Helga's Makeover/The Old Building - S1-E4

Continuity mistake: When the classroom is first shown, the first two desks against the wall near the door are occupied by Curly and Eugene, Gerald and Arnold are sitting where Curly and Eugene were shown.

AidanN

Door #16 / Arnold as Cupid - S1-E10

Audio problem: At the hat store, when Arnold says "Huh? What are you, nuts?", his lips don't move - but Gerald's do.

AidanN