Sam Worthington and Zoe Saldaña chat with ET at Disney's D23 about the two decades they've spent playing 'Avatar' characters.
Kevin Costner, Sienna Miller and Sam Worthington star in 'Horizon: An American Saga - Chapter 1,' which hits theaters on June 28.
The cast of 'Avatar: The Way of Water' gives ET a refresher guide on the original 2009 box office hit.
Worthington also revealed who gave him an ultimatum.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Tuesday, Dec 13.
'Avatar: The Way of Water' is in theaters Dec. 16.
Sam Worthington chats with ET at the premiere of 'Avatar: The Way of Water’ in Los Angeles.
The 'Avatar' star opened up to ET on the red carpet at the 'Way of Water' premiere on Monday.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Monday, Dec. 12.
Sam Worthington chats with ET's Nischelle Turner at the premiere of 'Avatar: The Way of Water' in London.
Sam Worthington, Sigourney Weaver and others share what’s to come from the sci-fi franchise.
'Avatar: The Way of Water' opens in theaters on Dec. 16.
The long-awaited sequel soars into theaters on Dec. 16.
James Cameron's return to Pandora hits theaters Dec. 16.