Westworld is quickly becoming HBO's next big hit original series, and the season 1 finale is generating the sort of significant buzz that's helping to attract (latecomer) viewers to the show. MORE WESTWORLD: 90-Minute Finale Will Have Answers / Arnold's Identity Revealed / Arnold's Killer Revealed / How The Man In Black Is Connected To Westworld / Who Is Arnold / The Man In Black's Backstory Revealed / What Planet Is Westworld On / Logos May Reveal Two Seperate Timelines Westworld airs Sundays at 9 p.m.