Pretty Little Liars is an American mystery teen drama television series created by Marlene King. Based on the popular series of novels written by Sara Shepard, the show premiered on June 8, 2010 on ABC Family. The series follows the lives of Aria Montgomery (Lucy Hale), Spencer Hastings (Troian Bellisario), Hanna Marin (Ashley Benson) and Emily Fields (Shay Mitchell), four girls whose clique falls apart after the disappearance of their queen bee, Alison DiLaurentis (Sasha Pieterse). One year later, they begin receiving messages from a mysterious figure using the name “A” who threatens to expose their secrets. At first they think it’s Alison herself, but after she is found dead, the girls realize that someone else knows their secrets, — including long-hidden ones they thought only Alison knew.

After an initial order of 10 episodes, on June 28, 2010, ABC Family ordered an additional 12 episodes for season one. These episodes began airing on January 3 and ended on March 21, 2011. The ratings success of the first 10 episodes prompted the book series to be extended beyond the initial eight novels. On January 10, 2011 ABC Family renewed the series for a second season. The second season 2 will premiere on June 14, 2011.

Main Cast:
* Lucy Hale as Aria Montgomery
* Troian Bellisario as Spencer Hastings
* Ashley Benson as Hanna Marin
* Shay Mitchell as Emily Fields
* Sasha Pieterse as Alison DiLaurentis
* Chad Lowe as Byron Montgomery
* Holly Marie Combs as Ella Montgomery
* Ian Harding as Ezra Fitz
* Laura Leighton as Ashley Marin
* Bianca Lawson as Maya St. Germain

 Season 1
1. Episode 1 Pilot
2. Episode 2 The Jenna Thing
3. Episode 3 To Kill a Mocking Girl
4. Episode 4 Can You Hear Me Now?
5. Episode 5 Reality Bites Me
6. Episode 6 There’s No Place Like Homecoming
7. Episode 7 The Homecoming Hangover
8. Episode 8 Please, Do Talk About Me When I’m Gone
9. Episode 9 The Perfect Storm
10. Episode 10 Keep Your Friends Close
11. Episode 11 Moments Later
12. Episode 12 Salt Meets Wound
13. Episode 13 Know Your Frenemies
14. Episode 14 Careful What U Wish 4
15. Episode 15 If At First You Don’t Succeed, Lie, Lie Again
16. Episode 16 Je Suis Un Ami
17. Episode 17 The New Normal
18. Episode 18 The Bad Seed
19. Episode 19 A Person of Interest
20. Episode 20 Someone to Watch Over Me
21. Episode 21 Monsters in the End
22. Episode 22 For Whom the Bell Tolls
 Season 2
1. Episode 1 It’s Alive
2. Episode 2 The Goodbye Look
3. Episode 3 My Name Is Trouble
4. Episode 4 Blind Dates
5. Episode 5 The Devil You Know
6. Episode 6 Never Letting Go
7. Episode 7 Surface Tension
8. Episode 8 Save the Date
9. Episode 9 Picture This
10. Episode 10 Touched by an ‘A’-ngel
11. Episode 11 I Must Confess
12. Episode 12 Over My Dead Body
13. Episode 13 The First Secret
2-14 02/Jan/12 Through Many Dangers, Toils and Snares
2-15 09/Jan/12 A Hot Piece of A
2-16 16/Jan/12 Let The Water Hold Me Down
2-17 23/Jan/12 TBA
2-18 30/Jan/12 A Kiss Before Lying
2-19 06/Feb/12 The Naked Tru
2-20 13/Feb/12 CTRL: A