Following it's well-received first season, HBO has released the official teaser for season two of its big-budget fantasy series His Dark Materials, based on the novel trilogy by author Philip Pullman. While the first season was based on the first book, The Golden Compass, the second season is expected to be based on the second book, The Subtle Knife. It's set to premiere on HBO in November with an order of seven episodes (The first season had eight). For now, check out the official teaser below: