“Pretty Little Liars” brought out the Final Girl Energy for Thursday’s “Summer School” finale, finally unmasking Bloody Rose while introducing plenty of options for a potential Season 3.

Still shaken from her encounter with Bloody Rose, Mouse searches for the real Rose Waters. Meanwhile, Imogen keeps tabs on Dr. Sullivan, Tabby works on a new short, Noa takes a much-needed day off ...

The PLLs take a final stab at their list of suspects and, through a harrowing night, will discover the identity of Bloody Rose Waters once and for all. Pretty Little Liars: Summer School Season 1 ...