Last week, we reported that the first trailer for The Hobbit: An Unexpected Journey will be attached to prints of The Adventures of Tintin, which opens in theaters December 21. Today, Warner Bros. announced that The Hobbit: An Unexpected Journey trailer will debut online Tuesday, December 20 at 7 PM PST. Take a look at the studio's announcement below.

<strong><em>The Hobbit: An Unexpected Journey</em></strong> Trailer Tweet

"Return to Middle-earth on Tues, 12/20, w/ the worldwide debut of #The Hobbit: An Unexpected Journey trailer @ 7pm PST!"

Be sure to check back tomorrow night for your first glimpse at this Middle Earth adventure from director Peter Jackson.