High Quality Content by WIKIPEDIA articles! "Sanctuary" is a two-part episode, consisting of the sixth and seventh episodes of the first season of the TNT science fiction drama Falling Skies. The first part aired on July 17, 2011, and the second part aired on July 24, 2011. Part 1 was written by Joel Anderson Thompson and part 2 was written by Melinda Hsu Taylor, both episodes were directed by Sergio Mimica-Gezzan.