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The longest version, adding 16 minutes to the theatrical runtime. It features an exclusive alternate opening on Earth that provides deeper context for Jake Sully's life before Pandora. Technical Specifications
The in 1080p is a comprehensive three-disc Blu-ray set released in 2010. It is widely regarded by enthusiasts as the definitive high-definition home release of the film due to its inclusion of three separate cuts and over eight hours of supplemental material. Movie Versions (Disc 1) Avatar - Extended Collectors Edition (2009) 1080p
According to technical reviews from Blu-ray.com and High-Def Digest : The longest version, adding 16 minutes to the
The version seen in theaters in December 2009. The longest version