Napoleon speaks Japanese in the first episode. Jon Heder is actually fluent in Japanese, having served a mission for the Church of Jesus Christ of Latter-Day Saints in Japan before filming the original Napoleon Dynamite movie.
Lafawnduh is not seen in the show.
This show only lasted for 6 episodes.
Eating at a gas station as they do in episode 1 is not a joke. It's just Idaho.
Most of the original actors reprise their roles as voice actors, but not Don.