Air date: 7/3/2011
Summary: Tom and Hal lead a team to find more motorcycles for the 2nd Mass after Pope provides details on where they can be found, but they must deal with Skitters and Harnessed Teenagers once they arrive. Back at the high school where they’ve set up base, Dr. Harris and Anne disagree over the best tactic to gather more intelligence on the aliens.

Watch or download Falling Skies – Season 1 Episode 4 – Grace at below links.