Life HBO working on another Game of Thrones prequel By weekster Posted on September 16, 2019 1 min read Share on Facebook Share on Twitter Share on Google+ Good news for the fans of Game of Thrones. HBO would be close to a deal to record a second pilot episode of a prequel of the popular series. The beginning and end of House Targaryen is highlighted, which takes place for 300 years for the regular Game of Thrones. Reports The Hollywood Reporter. The pilot is written by Ryan Condal and George R.R. Martin, author of the original Game of Thrones. The prequel is largely based on Martin’s book Fire & Blood. HBO did not want to comment on the news. Last summer the recordings of the first pilot were completed, which takes place 5000 years before the original series. These took place in Northern Ireland.