At the end of the previous episode, "Six Months Ago", D.L is wearing a hat when Jessica has him in her sights. In this episode, there is no hat.
At 14:54 in a telephone conversation with Eden, Mohinder mentions Charlene (Charlie) Andrews' murder, even though Hiro had prevented Charlie from being murdered by changing events in the past, six months earlier.
When Jessica throws Micah into a pile of sharp rock, you can see them compress, as they are made of foam.
There are no mountains anywhere near Odessa, Texas.
When Jessica shoots DL she fires her first shot before DL even opens the driver's door. In the previous chapter he had enough time to open the door and even double take and triple take before a shot was fired.