Continuity mistake: During the test. Light's collar is tucked in his shirt, but a few seconds later it is out.
Bargaining - S1-E5
Continuity mistake: When the guy at the restaurant dies he falls behind the broom, but an instant later he is in front of it.
Bargaining - S1-E5
Continuity mistake: When Raye is looking at the papers the position of them changes between shots.
Bargaining - S1-E5
Continuity mistake: At the start, the criminal laying dead in the road has both his arms outstretched in front of him. But in the next overhead shot his right arm is tucked under his chest.
Continuity mistake: When Light sees the Death Note falling, it lands with the front cover facing down, but when Light goes to pick up the Death Note, the front cover is facing up.