Martin Freeman explains it wasn't hard to fit in as the lead in a returning franchise. The actor also discusses combining The Hobbit with Sherlock. Free also talks about about shooting with Andy Serkis and how he helped him playing Bilbo.
A curious Hobbit, Bilbo Baggins, journeys to the Lonely Mountain with a vigorous group of Dwarves to reclaim a treasure stolen from them by the dragon Smaug. (Official Description)