Watch a second  trailer for  "The Dark Knight"

"The Dark Knight" reunites director Christopher Nolan and star Christian Bale, who reprises the role of Batman/Bruce Wayne. In the new film, Batman raises the stakes in his war on crime. With the help of Lieutenant Jim Gordon and District Attorney Harvey Dent, Batman sets out to dismantle the remaining criminal organizations that plague the city streets. The partnership proves to be effective, but they soon find themselves prey to a reign of chaos unleashed by a rising criminal mastermind known to the terrified citizens of Gotham as The Joker

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