简介：Jump City: Seattle is G4's new eight-episode weekly series and promoted as the first American championship parkour competition. It is hosted by G4 correspondent Blair Herter and Parkour veteran Brady Romberg. Filming of the show is based in Seattle, Washington and it is produced by Fremantle Media, North America. The series was launched on February 15, 2011, with new episodes airing Tuesdays 8PM EST on G4 TV.…