Westworld already has five seasons mapped out at HBO

Entertainment Weekly reports that Nolan – who co-wrote 2008 film The Dark Knight with his brother Christopher – even teased the formula of future Westworld seasons.

Much has been reported about HBO’s upcoming series Westworld, the sci-fi western series based on Michael Crichton’s 1973 film of the same name.

Westworld begins in the US on 2 October and will air on Sky Atlantic in the UK shortly afterwards.