Here is the official description for Falling Skies season 5 episode 9, "Reunion" - airing August 23rd.
Season 5 Episode 9 "Reunion"
Tom gains a powerful new weapon against the Espheni. Ben puts his life on the line to extract enemy plans. Pope discovers that Tom is alive, and launches a final attack. Meanwhile, the 2nd Mass must reassess their situation when an unexpected visitor appears.