While discussing complaint box abuse at the meeting table, in a few seconds Beth goes from muted red-faced laughter in one shot, to straight-faced and pale no laughter.
Lisa says Mars is 34 million miles from Earth. Actually it is about 140 million miles away.
In the opening scene, Joe refers to his satellite radio as the Garelli 1000. In later scenes, it is twice called the Garelli 5000.
The Garelli 1000 is the satellite radio, the Garelli 5000 is the reel to reel tape recorder.
The Garelli 1000 is the satellite radio, the Garelli 5000 is the reel to reel tape recorder.
When Joe is recording Catherine reading the Dickens book, the tape recorder is not running.