Damon Lindelof's HBO drama The Leftovers has its first full-length trailer. Bits and pieces have been doled out about the series via atmospheric teasers, but the latest footage -- debuting before Sunday's Game of Thrones -- offers a more complete look at the postapocalyptic series. Based on the Tom Perrotta novel, The Leftovers begins three years after 2 percent of the Earth's population disappears without explanation (aka the Rapture ) and focuses on the people who didn't make the cut, living in a changed world. Watch the trailer after the Jump... "It's time again for the world to mourn the departed," the trailer opens as the remaining inhabitants on Earth have settled into a lazy haze years later, with many trying to accept that they will never return. The town of Mapleton even holds a parade in remembrance of the event and unveils a new statue in its honor. "We still wonder where they went and why," becomes the town's dilemm