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  ===Writing===
  The episode was written by series co-creators David Benioff and D. B. Weiss.
  The second episode was written by the show creators and executive producers David Benioff and D. B. Weiss, based on the original book by George R. R. Martin."The Kingsroad" includes chapters 10-11, 13-18 and 24. (Tyrion I, Jon II, Eddard II, Tyrion II, Catelyn III, Sansa I, Eddard III, Bran III, Daenerys III.)
  While the events in this episode mostly follow the book, differences in the screen adaptation include not introducing the council's delegation with Ser Barristan and Lord Renly and the conversation between Robert and Eddard taking place during breakfast instead of on horseback. Some scenes were also created for the series, most notably a conversation between Catelyn and Cersei at Bran's bedside remembering the Queen's first child by Robert that died early of sickness (in the novel, when Ned confronts Cersei about Jaime fathering her children, she hinted that her first pregnancy, which was by Robert, she had aborted), and a confrontation between Jaime and Jon before Jon leaves for the Wall.