EUREKA Season 4.5 Previews June 22, 2011 Eureka, News Check out a few previews for the return of EUREKA Season 4.5 which airs on Monday, July 11 at 8pm on Syfy. The premiere episode is entitled “Liftoff.” The new episode will also feature a few exciting guest stars including Felicia Day, Wil Wheaton and Stan Lee. Show Summary: Eureka seems like any other cozy, Pacific Northwest town, but is actually a secret community of geniuses assembled by the government to conduct top-secret research. What they’ve unwittingly created is a place where anything imaginable can happen. and does. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)