Avatar (marketed as James Cameron's Avatar) is a 2009 American epic science fiction film directed, written, produced, and co-edited by James Cameron and starring Sam Worthington, Zoe Saldana, Stephen Lang, Michelle Rodriguez, and Sigourney Weaver. Synopsis: Set in the mid-22nd century, humans are colonizing Pandora, a lush habitable moon of a gas giant in the Alpha Centauri star system, in order to mine the valuable mineral unobtanium. The expansion of the mining colony threatens the continued existence of a local tribe of Na'vi – a humanoid species indigenous to Pandora.

References:
https://en.wikipedia.org/wiki/Avatar_(2009_film)