Through a Glass, Darkly

Summary

The Liars try to prove that Alison was involved in Mona's death; Aria worries about her future.

Guest stars

• Tyler Blackburn as Caleb Rivers
• Keegan Allen as Toby Cavanaugh
• Janel Parrish as Mona Vanderwaal
• Lindsey Shaw as Paige McCullers
• Drew Van Acker as Jason DiLaurentis
• Nolan North as Peter Hastings
• Cody Christian as Mike Montgomery
• Roma Maffia as Lieutenant Linda Tanner
• Meg Foster as Carla Grunwald
• Sydney Penny as Leona Vanderwaal