Horizon: An American Saga - Chapter 1 is a typically epic Kevin Costner (Dances with Wolves) western - at three hours it's not even halfway finished apparently. Written, produced and directed by Costner, it also features Abbey Lee (Mad Max: Fury Road), Sienna Miller (American Sniper) and Sam Worthington (Avatar).

Go to this episode on rnz.co.nz for more details