Revealing mistake: When Kim is leaving Gatwood Oil and realises her car is stuck in the dirt, the car is still in park. No wonder it's not going anywhere.
Factual error: In the mall where Jimmy meets Irene there is the Pandora logo in the background when Jimmy is going up the escalator. Pandora didn't open its first store in New Mexico until 2013. (00:27:00 - 00:28:00)
Factual error: When Mike is meeting with Lydia in her office, you can see an undeveloped hillside from Lydia's office window with sagebrush and other desert shrubs common in New Mexico. However, Lydia's office is in Houston, Texas, where such plants do not grow. Houston also does not sit in the desert, it lies in a coastal plain where it is much greener than Albuquerque.
Factual error: When Jimmy is doing "stretches" in the mall, waiting for Irene and her friends, there is a Crazy 8 store behind him. This episode is set in 2003, the first Crazy 8 store did not open until 2007.
Factual error: The shoes Jimmy gives Irene are Skechers Shape-Ups. The episode takes place in 2003 but Shape-Ups were not made until the late 2000s.
Continuity mistake: As Howard and Chuck are in a meeting about their lawyers' premiums going up, Chuck is spinning a pen around in his hand. He stop and lays it down as the woman tells them to not take it personally. The camera cuts to a different angle and suddenly he's got the pen spinning in his fingers once again. (00:10:43)
Continuity mistake: After the meeting and Howard pours a glass of drink for both him and Chuck, he walks to the end of the table and places his hands on a chair as he asks Chuck if he remembers Al McConnell. Chuck has just taken a drink and lowered his arm and glass down to the level of the table. The camera then cuts to Chuck and suddenly he's got his glass up to his face again. (00:12:25)
Answer: It might be the Panavision cap he wore when directing his terrible commercials.