Evan Rachel Wood says she still doesn't know how 'Westworld' was supposed to end, and it keeps her up at night. Last November, HBO canceled the series after its fourth season. When Wood recently spoke to The Hollywood Reporter ahead of her New York stage debut as Audrey in the off-Broadway production of 'Little Shop of Horrors,' the actress shared that the abruptness of the cancellation was tough for both the audience and the cast due to the nature of how 'Westworld' creators Jonathan Nolan and Lisa Joy revealed the story.