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After reading 2149 websites, we found 2 different results for "What year was Avatar released"

2009

December 2009's Avatar, an American epic science fiction film written and directed by James Cameron, made extensive use of cutting edge motion capture filming techniques, and was released for traditional viewing, 3D viewing (using the RealD 3D, Dolby 3D, XpanD 3D, and IMAX 3D formats), and for "4D" experiences in select South Korean theaters.

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on December 16 and in the United States and on December 18

Avatar premiered in London on December 10, 2009, and was internationally released on December 16 and in the United States and Canada on December 18, to positive critical reviews, with critics highly praising December's groundbreaking visual effects.

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