Continuity mistake: As Alicia holds the kryptonite on Clark her hand turns between shots. While she says ".but you broke the rules first." there is a camera change. Before the change the frontal view of Alicia has her holding the kryptonite with the glowing part straight up. After the camera change she is now holding it so it points to her left.
Continuity mistake: After Adam says "Look who's talking." you can see Lana raise the notebook she found as she starts to respond when the camera is behind her. When the camera jumps to the other side, facing Lana, the notebook is down instantly between shots and she has to raise it up again.