Audio problem: When Fred and George mimic Arthur by saying, "Feet off the table" their lips don't move. (00:06:50)
Audio problem: At the cemetery, as Harry lies on the ground, when Voldemort leans over him and says, "If they speak of you they'll speak only of how you begged for death," in the shot facing Harry, before Voldemort continues to speak, his mouth still moves, though nothing is heard. (01:27:25)
Audio problem: In the scene right before the champions enter the maze, Cedric Diggory hugs his father, Amos. When they pull away, Amos says, "That's my boy," but his lips aren't moving.
Audio problem: Before the start of the third task, when the champions make their appearance, the band is playing in the stands. The sounds of the bass drum are not entirely in sync with the girl who is pounding the mallets on that bass drum.
Audio problem: Just before the Death Eaters attack the tents, Arthur Weasley says to Fred and George that "Ginny is your responsibility", but his lips don't match what he is saying.
Audio problem: After showing the three unforgivable curses Moody comes down the stairs to Neville and says, "Son, are you alright? Come on, we'll have a cup of tea." However, when he says, "Come on" his mouth isn't moving.
Answer: Voldemort's spell undid the Sacrificial Protection that Lily bestowed on Harry, but the Bond of Blood is a separate protection bestowed if the person sacrificing their lives is a relative. THAT spell is still renewed as long as Harry keeps returning to the Dursleys until age seventeen. Voldemort has removed one protection, but a second is still in place.
Captain Defenestrator