NGTV Guide: Sunday, August 7

True Blood – 9/8c HBO
“Cold, Gray Light of Dawn” – With Marnie empowered by spirits of the dead, Bill issues an unpopular order to save vampires from the light. Eric embraces his amnesia; Luna discovers Sam’s not the man she thought he was; Lafayette expands his consciousness; Pam gets a body peel; Andy’s date with Holly doesn’t go as planned; Jessica has doubts about her future with Hoyt; Alcide and Debbie join a new pack.

Falling Skies – 9/8c TNT – TWO-PART SEASON FINALE
“Mutiny/Eight Hours” – Growing tension divides the 2nd Massachusetts just as their ambitious assault on an alien base draws near. Meanwhile, Tom has trouble coming to grips with Annie’s profound discovery and its implications. In the season finale, the resistance fighters launch a bold attack against the aliens as Tom remains at the camp to protect the civilians. Twisting developments lead Tom to a close encounter of the harrowing kind, and mysteries about the aliens’ motives might finally be answered.

Against the Wall – 10/9c Lifetime
“Raindrops Keep Fallin’ on My Head” – Richie shoots a teenage boy in the line of duty. Meanwhile, Abby works with one of her heroes in a case involving a mob mole.

In Plain Sight – 10/9c USA – SEASON FINALE
“Something Borrowed, Something Blew Up” – In the Season 4 finale, Mary’s work interferes with Brandi’s wedding when Mary is forced to look after her least favorite witnesses.

The Glades – 10/9c A&E
“Iron Pipeline” – Jim investigates the murder of a popular high-school teacher and soccer coach who was also a mentor to Jeff.