"I see this as Season 1.5," Cosby says on the video. The story will fill in gaps between the first and second season and be considered part of the show's mythology.
The first issue will be out in December with a covers by J.K. Woodward (Fallen Angel).
Eureka debuted on the Sci Fi Channel in 2006 and was a ratings and critical hit. The first two seasons are currently available on DVDThe third season will comprise 21 episodes and began airing July 29. In August, a soundtrack album was released.