There Will Be Blood

• Continuity: When Eli enters Daniel's office to ask about the blessing, as he starts to sit down his hands are starting to tent together, but when the camera changes his hands are at his side and when only after he sits down does he tent his fingers.
  
  
• Crew or equipment visible: During the tracking shot from the train tracks that follows the car of Daniel Plainview, you can see the dolly track for a moment when the camera pulls back, just before the camera pans to the right.
  
  
• Anachronisms: Daniel Day-Lewis' pierced earlobes are apparent in close-up profile shots.
  
  

• Anachronisms: A bright modern warning light is visible under the dash of one of the cars when a door is opened early in the movie. Several vehicles also display number-plates incorrect for the period.
  
  
• Revealing mistakes: When H.W. fires his gun during the quail hunt, there's no recoil.
  
  
• Crew or equipment visible: Just after Daniel gives H.W. the alcohol laced milk, Daniel and Henry step outside to talk and you can see the reflection of the camera and the camera operator in the glass on the front door.
  
  
• Continuity: In the bowling alley scene, Eli is clearly visible placing Daniel's refused drink above the center panel on the paneled divider. After the cutaway to Daniel, the drink is not above the center panel, but above the panel adjacent to the center one.
  
  
• Anachronisms: After H.W. returns, when he and his girlfriend are playing, in a close up you can clearly see that she has two, maybe three pierced earing holes.