When Raylan and Tim visit the psychic, she hands him a coffee cup which he then holds by the handle or the mug's body depending on the shot.
The doctor says the man bitten by rattlesnakes "should have been dead hours ago" after having just examined him. However, it take two to three days for a person to die from rattlesnake venom.
When FBI Agent Barnes is talking to Mason Goines on the phone while he's driving, the the studio lights are visible in the reflection in the chrome surface of the driver's side mirror.
When Randall is talking to Raylan, he says he is from Immokalee, Florida. He mispronounces the town name as "Emma-lackey" instead of "E-mock-a-lee" as its pronounced by locals.