Harry Potter and the Deathly Hallows

Theatrically, this week may be all about the opening of 'The Twilight Saga: Eclipse,' but it's the explosive new 'Harry Potter and the Deathly Hallows' trailer that precedes it that has the Internet aflame with pre-release excitement. As @kingsleyyy posted on Twitter, "Watched the Deathly Hallows trailer and lost my excitement for Twilight because I was reminded of what epic really means."

The full-length theatrical trailer for both Part 1 (Nov. 19) and Part 2 (July 15, 2010) premiered last night, and the Potter fandom couldn't get enough of it. Forget the sparkling vampires and sexy werewolves, many online fans are saying, and instead watch Harry face off with Voldemort, Hogwarts crumble, and the Trio (Daniel Radcliffe, Rupert Grint and Emma Watson) run for their lives over and over again. Here are five reasons this trailer sparked enough enthusiasm to last 143 days ('til Nov. 19, of course).