Continuity mistake: Towards the end, Walter throws up on the ground. Long shot shows no vomit anywhere. (00:52:15)
Continuity mistake: Emilio and Krazy 8 show up to the cook site to visit Walter. Krazy 8 leaves the drivers side door open when he exits the vehicle. Later when Walt is trying to flee the area in the RV, he drives past their car. The door is closed.
Continuity mistake: When Jesse picks up the apron and asks "What the hell is this", the apron is held so that part of it is placed over the top of Jesse's hand. When the camera changes angles, none of the apron can be seen placed over the top of his hand. (00:33:55)
Continuity mistake: When Jesse reminds Walter that he flunked him, he is holding a bottle of beer that is raised to his stomach. When the shot cuts, the beer bottle is lowered away from his stomach. (00:33:20)