Factual error: Tuco Salamanca's gun is a Taurus Raging Judge. Season 1 - as well as Season 2 - where Tuco's gun is prominently featured, are set in 2002. The Taurus Judge series wasn't produced until 2006.
Factual error: While Jimmy is climbing up the billboard to save the worker, some buildings can be seen in the background such as the TriCore Labs, Embassy Suites Hotel, and the Bernalillo County Metro Court House. This episode is set in 2002 but the Embassy Suites and TriCore Lab buildings weren't built until 2004 and 2005 while Metro Court was still under construction at this time. Even the billboard tower in this scene didn't exist until years after it was set.
Factual error: The intro scene for this episode shows Mike getting off the Rail Runner Express. This train didn't come into service until 2005. This scene is set in 2002.
Factual error: When Mike is waiting in the parking garage with Sobchak for Pryce to arrive, the AT&T logo is prominently displayed on an office building in the background. This logo is the new style introduced in late 2005 and didn't exist in 2002 when the show is set. (00:11:25)
Factual error: In one of the shots shown of Chicago, the Trump Tower can be seen on the right. Although the episode is set in 2002, this building did not exist until the late 2000s. (00:28:33)
Factual error: In the scene of Jimmy driving with his new Mercedes, we can see a Subaru forester that is definitely a model after 2010. Season 2 is set in 2002 so this couldn't be possible.
Factual error: Around the beginning of the episode, Saul is entering a Ford F-550 Bus from Sandpiper, but that body style from the Ford F series isn't introduced until 2012+ and Better Call Saul takes place in the early 2000's, 6 years before Saul meets Walter.
Inflatable - S2-E7
Factual error: When Jimmy speaks on the phone outside after having represented Mike at the district attorney, a 2013 Kia Soul PS is passing behind him. (00:09:12)
Inflatable - S2-E7
Factual error: A Chevy Sonic is behind Jimmy's car, that car was not available until 2012. (00:15:00)
Inflatable - S2-E7
Factual error: In the flashback scene in the store with young Jimmy and his Dad, Jimmy can be seen leaning against a shelf with cans of a "Psst" brand product which did not exist in that time frame.
Factual error: At the start of the scene where Jimmy films a commercial at the school, kids are shown on the playground. Many of them are wearing leggings or skinny jeans. The episode is set in 2002, when the trend was flare and straight legged jeans. The skinny jeans and leggings trend didn't become widespread until 2009 or 2010.
Sunk Costs - S3-E3
Factual error: When Gus meets Mike there is a 94-00 black suburban in the background with rims from an 08-11 suburban which didn't exist at the time the episode takes place.
Factual error: When Hector and his men are in Los Pollos Hermanos there's a soda machine in the background with the current logos of the sodas when this episode took place before 2003. (00:12:33)
Factual error: The scene where Jimmy is doing community service, they are under the Juan Tabo Bridge that crosses the Tijeras Arroyo. This bridge was not built until 2006. The episode is set in 2003.
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.
Factual error: If Chuck had shut off all the electricity, the meter would be moving imperceptibly slowly, if at all. (00:30:31 - 00:34:20)
Factual error: Set in 2002, the laptop and furniture are right for the time, but the special ceiling mounted microphone is a Shure MXA910, released in 2017. (00:22:35)