Follow This Eureka - Season 4, Episode 20 One Giant Leap on you favorite host Network station now for it will air on their perspective schedule and watch it now. searching and watching some latest episode show was awesome and cool habits specially when you start reading some of their summary, S you must first to read it and The story of this Episode was : For years, the government has been secretly relocating the world's geniuses to the idyllic Pacific Northwest town of Eureka, where daily life straddles the line between unprecedented innovation and total chaos. When U.S. Marshal Jack Carter wrecks his car and becomes stranded in Eureka, he quickly realizes that all is not what it seems. This is only the Whole summary of this show and the current is below check out.

This Show is now Aired:
September 19
Monday at 12:00am - 1:00am
On Syfy

Check this Synopsis:
In the Season 4 finale, Carter and Jo respond to a mysterious attack on the presidential convoy; good-byes are exchanged before the Astraeus mission is launched; and cosmic anomalies threaten Eureka.