Felicia Day guest starring on 'Eureka' -- EXCLUSIVE VIDEO

Geek heroine Felicia Day (The Guild, Dr. Horrible’s Sing-A-Long Blog) is coming to Eureka this season for a seven-episode guest-starring stint. Day will play a Department of Defense employee who winds up in a love triangle between Fargo (Neil Grayston) and Dr. Parrish (returning guest-star Wil Wheaton). Eureka returns to Syfy with new episodes on July 11. Check out exclusive clips of Day’s guest-starring appearance, and exclusive photos of the actress on-set, below:

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