According to Aaron Paul, when Mike is smacking Jesse, Jonathan Banks was really smacking him without holding back.
In the scene where Walt Jr. is in his room receiving money on the donation website, the ding sound is the same as the bell Tuco's uncle uses to communicate.
For the scene in which the news crew interview Walter Jr, the original script called for Walt to not only look disgusted and uncomfortable but for him to vomit on the newswoman's pretty shoes.
The episode won an Emmy Award for Outstanding Single-Camera Picture Editing for a Drama Series.
ABQ is the airport code for Albuquerque International Airport, while Donald Margolis works at Albuquerque ARTCC, also called ZAB.