Factual error: When Stephanie gets in the back of the zoo wagon, she discovers a zebra back there. Then all of a sudden the zebra toots and the flames go way out of the back of the trailer. In real life that wouldn't happen because the gas doesn't come out of your rear end fast enough to have that happen.
Officer in Alaska: You seem especially happy to be here.
Murdoch: This is not a smile, my face is frozen like this.