The Badass Seed

The Bad Seed is the 18th episode in the series. This episode will be aired on February 21st 2011.

Summary
Tensions rise as the Liars take stock of the suspects that surround them.

Main Cast
Lucy Hale as Aria Montgomery

Ashley Benson as Hanna Marin

Shay Mitchell as Emily Fields

Troian Bellisario as Spencer Hastings

Sasha Pieterse as Alison DiLaurentis