No Greater Character Endorsement - S6-E6
Continuity mistake: At the tribal council hearing, when they vote to oppose, 7 of the 8 raise their right hand (the man at the end raises his left hand). But in the close up panning shot of the raised hands, the guy sitting next to Jacob Nighthorse has his left hand raised. It's back to his right hand when they lower their hands.
Opiates and Antibiotics - S6-E7
Factual error: When we see Eddie Harp's driver's license, it expires 8 years after it was issued. However, Massachusetts driver's license are only valid for 5 years and expire on the person's birthday, not the issue date.
Goodbye Is Always Implied - S6-E10
Continuity mistake: Near the end, when Vic is on the porch bench, she's holding a mug in her hand. When Walt goes to sit down, she's still holding it, but in the next shot her hands are empty and the mug is on the porch railing.
Answer: Chance.