(Above: Noah Wyle hard at work on the first day of shooting Falling Skies' fourth season.)

The cast and crew of TNT's epic sci-fi drama Falling Skies are back at work. The show - one of basic cable's top ten summer series in total viewers - started production this week on its fourth season, which will debut in Summer 2014.

See the sneak peak below for a look at the very first scene shot in what's sure to be the show's best season yet.