Question: how many episodes are in his dark materials on hbo?
Answer: Each season will be eight episodes long. Executive producing the show are Dan McCulloch, Jane Tranter and Julie Gardner for Bad Wolf; Philip Pullman; Jack Thorne; Tom Hooper; Deborah Forte; Toby Emmerich and Carolyn Blackwood for New Line Cinema; and Ben Irving and Piers Wenger for BBC One.