In some movies, style trumps substance. In this sequel, it downright suffocates it.
Vanessa Hudgens continues her transition from the Disney Channel good-girl-persona phase of her career to that of a serious and mature actress, but –- at this point, anyway –- she appears to be in over her head.
Is “Zookeeper” a keeper? Anything but.
Unstoppable is, unfortunately, a long way from untoppable.