Goof: Ernie removes two screws from a glass panel in the skylight, but then lifts the panel from the side that's still screwed in.
Oskar reads the words "my family" from the picture in the package, but in a later episode we find out Oskar can't read at all.
In "Arnold as Cupid," when Oskar and Susie are making up, look in the backround. Arnold's door is up even though before it was down. Then, after it showed a closeup of Arnold, after Oscar and Susie make up, his door is down again.
When Arnold and Gerald are in the shop looking for hats, Gerald gets out the suit that they are in and looks in the index cards for "Smith." He tells Arnold to hang onto the pipe and Arnold says, "What are you, nuts?" But his lips don't move.
Oskar: Arnold, I can't believe how handsome you're getting, the way your body's growing to match the unusual shape of your head.
Oskar: Don't worry, Arnold. I can't lose. (scene changes) I can't believe I lost.
Suzie is shouting during the scene of Arnold and Gerald chasing by the boarders and getting the package while they open it.
Mr. Hyunh lives in room 3; Oskar and Suzie live in room 5; Ernie lives in room 7.