Weaver, who is returning as a new adolescent character, explains how it felt to play one of the youngest characters in the sequel and how she tapped into her own childhood for the role. The one-hour special also includes interviews with stars Zoe Saldaña, Sigourney Weaver, Kate Winslet, Sam Worthington and Stephen Lang, who describe their experiences working with Cameron and the signature motion-capture technology. ABC programming can be viewed on demand and on Hulu - where even more episodes of your favorites may be streaming right now! Be sure to watch on the ABC app from your smartphone and tablet ( iOS and Android), computer on ABC.com and connected devices (Roku, AppleTV and Amazon Fire TV) remember that all new episodes stream the next day. In a revealing interview with ABC News contributor Chris Connelly, Cameron recounted the world's reaction to the first-of-its-kind film 'Avatar' more than a decade ago, his challenges making the highly anticipated sequel, 'Avatar: Way of the Water,' and his plans for three additional installments.

ABC News announced 'Avatar: The Deep Dive, A Special Edition of 20/20,' a new primetime special edition of '20/20' that features exclusive behind-the-scenes access to the powerhouse film franchise through the eyes of legendary director James Cameron.

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