Another all-new behind-the-scenes featurette has gone online for Avatar, and this one might be the best one yet. Check it out as actress Sigourney Weaver takes you into the alien world of Pandora below.

The James Cameron directed Avatar hits theaters December 18th and stars Starring:Sam Worthington, Zoe Saldana, Sigourney Weaver, Michelle Rodriguez, Giovanni Ribisi, Joel David Moore, CCH Pounder, Peter Mensah, Laz Alonso, Wes Studi, Stephen Lang and Matt Gerald.

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