New 'Westoworld' trailer unveiled

"Westworld" trailer screengrab

A new long trailer for HBO's star-studded upcoming series "Westworld" has been released.

The show, which is based on the 1973 film written and directed by Michael Crichton, is set in a futuristic Wild Wild West theme park, populated by both humans and androids.

The sci-fi trailer shows a glimpse of the complex relationships between the characters, particularly those played by Anthony Hopkins and Evan Rachel Wood. Additional cast members include Ed Harris, James Marsden and Thandie Newton.

"Westworld" will air on HBO in October. To watch the trailer, see https://www.youtube.com/watch?v=IuS5huqOND4