But on Nov. 4, HBO revealed that it would not renew the series, which had faced declining ratings between seasons two and three, for a fifth season.

Westworld is an American dystopian science fiction Western television series created by Jonathan Nolan and Lisa Joy that first aired on October 2, 2016, on HBO. It is based upon the 1973 film of the same name written and directed by Michael Crichton and loosely upon its 1976 sequel, Futureworld.

So the company expects to write off something up to $3.5 billion connected to content costs as a result. And part of getting that tax benefit means they have to pull some of these shows from the service, including "Westworld," "The Nevers," "The Time Traveler's Wife" and a few more.

A sci-fi drama set in an Old West theme park where guests interact with automatons in scenarios that are developed, overseen and scripted by the park's creative, security and quality assurance departments.