Continuity mistake: When Walt writes Chiral on the board, the writing changes style. Note the C. (00:09:20)
Cancer Man - S1-E4
Visible crew/equipment: When we see a close up of Jesse stamping on the spliff you can see an orange marker on the floor where Jake is stood. (00:42:20)
A No-Rough-Stuff Type Deal - S1-E7
Visible crew/equipment: When Skyler is trying to return the tiara, the camera and operator are reflected in the glass cabinet. (00:26:40)
A No-Rough-Stuff Type Deal - S1-E7
Other mistake: In this episode, the credits list Jesus Payan as No-Doze and Cesar Garcia as Gonzo. In reality, they played the opposite roles, with Jesus Payan as Gonzo and Cesar Garcia as No-Doze. (00:45:20)
Crazy Handful of Nothin' - S1-E6
Continuity mistake: When Walt is walking out of Tuco's, he walks past a yellow bike on his right. When the shot changes to a different angle, this yellow bike is now a dark red bike of a different design. (00:44:20)
Gray Matter - S1-E5
Continuity mistake: At the start, the position of Badger's sun visor on his costume keeps changing between shots. (00:03:00)
Cancer Man - S1-E4
Continuity mistake: When they hear a noise in the back garden, Mrs Pinkman has nothing in her hands. As the shot changes, a red napkin suddenly appears in her hands. (00:24:20)
Cancer Man - S1-E4
Continuity mistake: When Walt is sorting money out and it gets sucked up into the vent, one note gets caught on the wall in the long shot, but in the close-up, the note in question has vanished instantly. (00:19:20)
...and the Bag's in the River - S1-E3
Continuity mistake: Krazy8 says where his dad works and is not holding the bike lock. When the shot changes, he is now holding the bike lock with his left hand. (00:28:50)
...and the Bag's in the River - S1-E3
Continuity mistake: When Walter is scooping up the crisps on the floor, there are loads in the shot facing Walt, but from the shot facing Krazy8, there's practically none. (00:24:30)
...and the Bag's in the River - S1-E3
Continuity mistake: When Walt is making the sandwich he drops, pay attention to the spreading knife. It swaps position between shots. (00:22:05)
Continuity mistake: When Krazy8 hits the tree and falls to the floor, there is a nice shadow of the tree on the floor. When we get a close-up of Krazy8 on the floor, the shadow of the tree has gone. (00:13:20)
Continuity mistake: At the start at the breakfast table, Walt Jnr has his hand by his mouth while looking at Skyler, but as he turns his head to look at Walt Snr, his hand has vanished from by his mouth. (00:05:50)
Visible crew/equipment: When Walter talks with Jesse outside the Mesa Credit Union, just after giving him the money to buy the RV, a boom mic pole can be seen reflected on Jesse's car door. (00:36:12)
...and the Bag's in the River - S1-E3
Continuity mistake: When Hank takes Junior to the motel to see how disgusting drug life can be, it is raining over Junior's shoulder when you look at the passenger window. But when you look at the driver's window from Hank's point of view, it is not raining. (00:21:30)
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: Just as Skyler asks Walt who Jesse is, her hands go from curled up on her legs to palm flat on her legs. Her t-shirt also has a ridge in it across the belly which disappears in the second shot. (00:33:20)