Audio problem: At the end of the episode, Buck comes home and crashes on his bed. He sees his girlfriend reporting on TV. Just before the shot cuts, the reporter mouths a word but nothing comes out. The shot changes to others watching the report, and she continues talking.
Episode #1.5 - S1-E5
Audio problem: Whilst An-pyeong and Lady Yun are talking about Eugene confronting them earlier, Yun says she's going to send a telegram to Hui-seong. She then starts to say "I should tell him to stay away from Joseon for the time being" and then the camera cuts to an angle behind her where she finishes the line. Yun then says "What if he stays in Joseon" whilst the camera is behind her, but her mouth isn't shown moving. (00:16:44)
Audio problem: The man Larusso neglects to sell his dealership to thinks he just got the deal before being punked. He turns around to talk to his assistant but the audio here is off enough to be noticeable. His mouth doesn't match briefly.
Audio problem: The outside shots of the C-130 flying have the sound of a piston plane and not a turboprop.