In a clip from this week’s Guardian film show Xan Brooks, Peter Bradshaw and Henry Barnes review The Martian, Ridley Scott’s sci-fi adventure about a Nasa astronaut (Matt Damon) who must survive on Mars after being left behind by his crew. Co-starring Chiwetel Ejiofor, Jessica Chastain, Kristen Wiig and Jeff Daniels, The Martian is on general release now