Character mistake: Throughout season 3, whenever someone visits Henry in prison, the word "VISITOR" on their visitor tags is misspelled as "VISTOR."
Revealing mistake: Early in the episode the dead body in the barn ever so briefly flutters his eyelids.
In the Pines - S3-E4
Continuity mistake: Longmire is taping prisoner photos to the wall. When looking at the last photo, the tape is in the middle of the paper. When he puts it on the wall, the tape is on the right side of the paper. When the photo is in the background, the tape is on the left side. (00:59:55)
Continuity mistake: Walt is with Cassie Linder in her family's barn while she tries to get a tractor running. It is dark outside, and before dawn. They talk for a little over a minute of screen time. When Cassie finally gets the tractor up and running and rides out of the barn, it is a bright sunrise.
Visible crew/equipment: When Dawn Linder pulls up in her car with her daughter Cassie, several crew members are reflected in the side of the car as Walt and Vic approach it.
Continuity mistake: When Branch hugs Cady, he places his right arm over her left shoulder, but in the following shot his arm is suddenly around her left arm/elbow.
In the Pines - S3-E4
Visible crew/equipment: When Ferg is looking at the black notebook, you can see the hand of the stage crew holding it in front of his face. (00:08:55)
Continuity mistake: When Welles is talking to Walt on the porch, Welles sits against the railing and folds his arms. In the next shot, his arms are to his side and he folds them again.
Of Children and Travelers - S3-E2
Continuity mistake: After Sofia shoots the shotgun into the air, her hair switches from being over her ears to being tucked back behind her ears a few times, despite her hands being on the shotgun.
Continuity mistake: When Mathias is dumping out the ashes, he is holding it with just his right hand and then grabs it with with his left hand (so both hands are on the bag). In the next shot, he's back to holding it with just the right hand and then grabs the bag with his left hand again.
Visible crew/equipment: When Dawn Linder pulls up in her car with her daughter Cassie, several crew members are reflected in the side of the car as Walt and Vic approach it.
Wanted Man - S3-E5
Continuity mistake: When Walt is talking with Lucian Connally, he places a license plate above a mugshot on the wall. The position of the license plate changes between shots.
Revealing mistake: The shot of the first clay pigeon that Barlow Connally shoots is the exact same shot as the first clay pigeon that Branch Connally shoots moments later.
Visible crew/equipment: When Dawn Linder pulls up in her car with her daughter Cassie, several crew members are reflected in the side of the car as Walt and Vic approach it.
Visible crew/equipment: When Vic pulls Jacob Nighthorse over, a camera is reflected in the left wing mirror of her car.
Visible crew/equipment: After Henry is found innocent and is seen driving, a camera rig is reflected in the front bumper of his car.
Wanted Man - S3-E5
Continuity mistake: When Walt, Cady and Henry are talking about pulling a reward together for locating Hector, Cady snatches some mugshots from Walt. The one on top is a picture of Chance Gilbert. But in the immediate next shot, it's a completely different picture.
Wanted Man - S3-E5
Continuity mistake: When Walt is talking with Lucian Conically, he places a license plate above a mugshot on the wall. The position of the license plate changes between shots.
Visible crew/equipment: When Walt arrives to take Penny VanBlarcom's DNA, a crew member's head is reflected in the rear left window of his car.
Visible crew/equipment: When Walt arrives to take Penny VanBlarcom's DNA, a crew member's head is reflected in the rear left window of his car.
Answer: Chance.