In the special Halloween episode, the girls crash the Ravenswood Founders Day Celebration after a clue suggests Ali may be alive. Caleb meets a kindred soul (NICOLE GALE ANDERSON).

Starring:

Troian Bellisario, Ashley Benson, Lucy Hale, Shay Mitchell, Sasha Pieterse, Tyler Blackburn, Ian Harding, Janel Parrish, Andrea Parker, Keegan Allen

Genre:

Drama