In case you forgot, Peter Hastings is Jason's biological father, as he had an affair with Jessica DiLaurentis, which Alison eventually figured out. We learned this fact along with Spencer in ...

Aria, Hanna, Spencer and Emily ... Dollhouse with the help of Alison, Ezra, Toby and Caleb. However, except for the girls, no one knows how Charles DiLaurentis tortured them while they remained ...