Question: The TV series James Callis joined in 2010 premiered on what date?
Related documents: [0]  [DOC] Eureka is an American science fiction television series that premiered on Syfy on July 18, 2006. The fifth and final season ended on July 16, 2012. The show was set in a fictional town of Eureka, Oregon (although, in the pilot episode, Eureka was located in Washington State – and the origin of a diamond in the episode "Best In Faux" was shown as Eureka, California). Inhabited almost entirely by scientific geniuses, most residents of Eureka work for Global Dynamics – an advanced research facility responsible for the development of nearly all major technological breakthroughs since its inception. Each episode featured a mysterious accidental or intentional misuse of technology, which the town sheriff, Jack Carter, solved with the help of town scientists. Each season also featured a larger story arc that concerned a particular major event or item. [END] 
[1]  [DOC] James Nicholas Callis (born 4 June 1971) is an English actor. He is best known for playing Dr. Gaius Baltar in the re-imagined "Battlestar Galactica" miniseries and television series, and Bridget Jones' best friend in "Bridget Jones's Diary" and "". He later reprised the role in 2016, in "Bridget Jones's Baby." He joined the cast of the TV Series "Eureka", on Syfy, in 2010. In 2017 he voiced the character Alucard on the Netflix series "Castlevania", based on the video game of the same name. [END] 
Answer: 
July 18, 2006
July 18, 2006