The sci-fi adventure Ender's Game opens in cinemas tomorrow, Friday October 25, and we're giving you the chance to watch an exclusive clip.

Directed by Gavin Hood (X-Men Origins: Wolverine, Tsotsi), based on the novel by Orson Scott Card and starring Asa Butterfield, Harrison Ford, Ben Kingsley, Abigail Breslin and Hailee Steinfeld, Ender's Game tells the story of a young boy (Butterfield) who is seen as Earth's great hope against an alien invasion.

You can watch the clip by clicking the link above on your left.

Read our review of Ender's Game here.