Watch for a mysterious costume change near the end of the film. One minute, Paige is wearing a rather sexy skintight yellow catsuit, the next she's wearing a top and stretch pants, with the pants in a slightly different shade of yellow.
Just before the car is taken away by magnet below helicopter, another helicopter is visible just off to the right. Few seconds later the second helicopter has vanished.
(around 37 minutes) Camera and lighting crew reflected in shiny wall Paige and Jack walk by as she apologizes to him.