Four friends band together against an anonymous foe who threatens to reveal their darkest secrets, while also investigating the disappearance of their best friend.

Pretty Little Liars
- Created byI. Marlene King
- GenreDrama, Mystery, Romance and Thriller
- Episode Count160
- Original NetworkABC Family
- Original ReleaseJune 8, 2010
- Other castTroian Bellisario, Lucy Hale and Shay Mitchell
- StatusCompleted
- Runtime44 minutes