Continuity mistake: When Walter takes Junior home from school, at first there are no shadows or sun hitting the ground in front of the garage. In the next shot the sun appears.
Box Cutter - S4-E1
Continuity mistake: When Gus starts to walk away from where he killed Victor, he drops the Box Cutter, and we see it landing. However, after a cut to the next shot, its position has changed. It is no longer sitting on the line in the floor, and it is pointing 180° in the other direction. We can also see from Walt's shadow that the Box Cutter has moved quite a bit further away from Walt. (00:35:05)
Crawl Space - S4-E11
Visible crew/equipment: A camera in a black protective box is visible on the ground in the intersection during the crash sequence when Walt gets T-boned by an SUV. (00:24:48)
Visible crew/equipment: In the scene after Walter took his son from the school and parks his car in front of their house (before the pizza scene), you can see the camera mounted on a crane while filming the scene reflected on the car's windscreen.
Continuity mistake: When Walt is practicing his pistol draw in his apartment, he drags over a chair in which to sit during his practice. When he is dragging it, he aligns it directly against the carpet. However, a few seconds later, another shot shows that the chair is now inches away from the carpet, despite him never adjusting the chair.
Continuity mistake: When the two guys grab the Ouija board, the 2 games that were on top of the Ouija board disappear instantly. (00:22:30)
4 Days Out - S2-E9
Continuity mistake: When Walt gives in and gives his phone to Jesse he doesn't have a hood up. When we see Jesse in the next shot, Walt has a hood up with no time to put it up. (00:23:00)
4 Days Out - S2-E9
Continuity mistake: In the waiting room at the start, Hank has his arm down on the arm of the chair. Camera cuts and now his has his hand up to his face. (00:00:30)
Negro Y Azul - S2-E7
Continuity mistake: When Walt comes in and speaks to Marie, Marie has her wine glass on the side, camera changes and now it's in front of her face. (00:30:00)
Negro Y Azul - S2-E7
Continuity mistake: When Skyler and Marie are talking about going to El Paso, Skyler puts a red pepper down on the near side of a cucumber. Camera changes to another view and now the pepper is on the far side of the cucumber. (00:28:30)
Negro Y Azul - S2-E7
Continuity mistake: When Skyler asks Marie if she is going to El Paso, Marie's glass of wine is a fair distance from the blue jug on the side. Camera cuts and now it is next to said jug. (00:28:20)
Gray Matter - S1-E5
Continuity mistake: When Jesse gets out the car at the start, the red furry dice are uneven in height. Camera changes angle and now they are level. (00:03:45)
...and the Bag's in the River - S1-E3
Continuity mistake: When Walt and Jessie are arguing in the bathroom, something gets broken and the pieces are covering the floor. A few moment later when Walt is trying to pull Jessie off the toilet all the broken pieces haves disappeared. (00:10:40)
...and the Bag's in the River - S1-E3
Continuity mistake: When Walter is emptying the bucket in the basement, he holds the bucket by the rim at an angle. Camera cuts and now he is holding it by the handle and level. (00:07:20)
Chosen answer: It is part of the ritual for la Santa Muerte. It is a sign of humility and sacrifice.
djm