Watch Pretty Little Liars Season 1 Episode 21

Watch Pretty Little Liars Season 1 Episode 21 this coming Monday, March 14, 2011 on ABC. The new episode of Pretty Little Liars Season 1 Episode 21 entitled "Monsters in the End". Pretty Little Liars Season 1 Episode 21 got the most interesting story when it comes to pretty lies. On this new episode of Pretty Little Liars Season 1 Episode 21: Monsters in the End, Everyone has something to hide – whether it be a secret romance, who they really are and what their true intentions are. For Aria, Emily, Hanna and Spencer, keeping things hidden is second nature, but having to live with those secrets can become a big burden. How long can Aria be with someone when they can’t go out in public? Ezra’s past comes back to haunt him. Is it a true friendship when Spencer and Toby aren’t able to be seen together? How truthful can Emily be when she can’t be honest about whom she wants to be with? And how can Hanna move on when she secretly still wants to be with the one who broke her heart? With someone like “A” out there to watch their every move, four Liars may not have to worry about keeping things hidden for too much longer. Meanwhile, Rosewood police officer Garrett Reynolds is keeping his promise to keep a close eye on the girls – much closer than they realize.