Netflix greenlit Hоuse оf Cаrds fоr two full seаsons without а pilot episode — highly unusual in television. The decision was based on internal viewing-pattern data showing strong audience overlap among people who liked director David Fincher's other work, actor Kevin Spacey's other work, and the original British version of the show. Netflix greenlit House of Cards for two full seasons WITHOUT a pilot episode -- highly unusual in television. What did they use to make this decision?