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The attempt to make sure every man, woman, and child knows about James Cameron's Avatar continues as MTV will host a live webcast of a roundtable discussion with Cameron, stars Zoe Saldana and Sam Worthington, and producer Jon Landau.  Variety reports that MTV News managing editor Josh Horowitz will moderate the 30-minute event, which will feature unseen footage from the movie.  The webcast will also be shown on the official Avatar Facebook page and fans will be able to submit questions to either site.

MTV will broadcast the event on December 3rd in preparation for their half-hour special on Avatar on December 16thAvatar will hit theaters in 2D, 3D, and 3D IMAX on December 18th.  Hit the jump to read a full synopsis on the film.  No word yet if 20th Century Fox plans to market the film in our food and drinking water.

For those just tuning in, here's a full synopsis for Avatar:

We enter the alien world through the eyes of Jake Sully, a former Marine confined to a wheelchair. But despite his broken body, Jake is still a warrior at heart. He is recruited to travel light years to the human outpost on Pandora, where corporations are mining a rare mineral that is the key to solving Earth's energy crisis. Because the atmosphere of Pandora is toxic, they have created the Avatar Program, in which human "drivers" have their consciousness linked to an avatar, a remotely-controlled biological body that can survive in the lethal air. These avatars are genetically engineered hybrids of human DNA mixed with DNA from the natives of Pandora... the Na'vi.

Reborn in his avatar form, Jake can walk again. He is given a mission to infiltrate the Na'vi, who have become a major obstacle to mining the precious ore. But a beautiful Na'vi female, Neytiri, saves Jake's life, and this changes everything. Jake is taken in by her clan, and learns to become one of them, which involves many tests and adventures. As Jake's relationship with his reluctant teacher Neytiri deepens, he learns to respect the Na'vi way and finally takes his place among them. Soon he will face the ultimate test as he leads them in an epic battle that will decide nothing less than the fate of an entire world.