The Sherlock actor stars as the titular creature in The Hobbit: The Desolation of Smaug, which is scheduled to be released this winter. The movie's plot centers around the dragon Smaug attacking the dwarf kingdom of Erebor.
Highlights of the trailer include Bilbo (Martin Freeman) sneaking into Smaug's lair (and being rewarded with a giant fireball cast in his direction), as well as a possible budding romance between Legolas (Orlando Bloom) and Tauriel (Evangline Lilly). Ian McKellan also returns as the wizard Gandalf.
The Desolation of Smaug hits theaters on Dec. 13. Check out the full trailer below: