Watch the New Trailer for J.J. Abrams' Dystopian Sci-Fi Western HBO Series 'Westworld'

After a long time of waiting we can finally take a look at J.J. Abrams-produced HBO series Westworld. It looks to actually be a very promising sci-fi western drama. Based on a 1973 thriller of the same name. The story centeres around a Wild West-themed amusement park of the future populated by androids, but they are starting to develop sentience which we all know spells trouble for humans when a gunman starts murdering visitors.