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"One day I'll remember everything that happened", remarks the narrator, Bilbo Baggins, played by Sherlock star Martin, before adding: "The good, the bad, those who survived, and those who did not."
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Set sixty years before The Lord of The Rings, the fantasy epic follows Bilbo Baggins on his quest to win a share of the treasure guarded by the dragon, Smaug.
Reprising their roles include Orlando as the Sindar Elf Legolas, Evangeline Lilly as a Woodland Elf named Tauriel, and Sir Ian McKellen as the wizard Gandalf.
Benedict Cumberbatch provides the motion-capture and voice for the character of Smaug.
Adapted from J.R.R Tolkien's children novels, the incredibly successful fantasy films, directed by Peter Jackson, have spanned 13 years since the first Lord of the Rings film was released.
The Hobbit: The Battle of Five Armies is out in cinemas later in 2014
One of the special features of The Hobbit is the fact that it is shot using 48 frames per second instead of the traditional 24, resulting in razor-sharp picture quality.
"I really think 48 frames is pretty terrific and I'm looking forward to seeing the reaction," Peter said of the first film in 2012. "It's been talked about for so long, but finally the film is being released and people can decide for themselves."
The Hobbit: The Battle of Five Armies is out later in 2014