<Tr> <Td> </Td> <Td_colspan="1"> 6 </Td> <Td_colspan="2"> 20 </Td> <Td_colspan="1"> June 2, 2015 (2015 - 06 - 02) </Td> <Td> March 15, 2016 (2016 - 03 - 15) </Td> <Td> 1.72 </Td> <Td> 0.8 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 7 </Td> <Td_colspan="2"> 20 </Td> <Td_colspan="1"> June 21, 2016 (2016 - 06 - 21) </Td> <Td> June 27, 2017 (2017 - 06 - 27) </Td> <Td> 1.11 </Td> <Td> 0.6 </Td> </Tr> <P> Originally developed as a television series by book packaging company Alloy Entertainment, the idea was described as "Desperate Housewives for teens ." Alloy met with author Shepard and gave her the property to develop into a book series . With Alloy and Warner Horizon Television interested in producing Pretty Little Liars as a television series for years, it was first planned for The WB in 2005 with a different writer until the network shut down in early 2006 and reestablished as The CW later that year . The first novel was published by HarperTeen in October 2006 . In June 2008, Alloy noted that it was developing a Pretty Little Liars television pilot for ABC Family, with the novels adapted for television . After the pilot was shot in Vancouver in December 2009, filming for the rest of the series moved to Los Angeles . The series was primarily filmed at the Warner Bros. studio and backlot in the city of Burbank, near Los Angeles . In June 2012, the series was selected by lottery for a California film and TV tax credit . </P> <P> ABC Family began casting for a Pretty Little Liars television pilot in October 2009 . Lucy Hale was cast as Aria Montgomery in the project, followed by Troian Bellisario as Spencer Hastings and Ian Harding as Ezra Fitz in November 2009 . In December 2009, The Futon Critic confirmed the casting of Ashley Benson as Hanna Marin and Shay Mitchell as Emily Fields, as well as the addition of Laura Leighton as Ashley Marin, Nia Peeples as Pam Fields, Roark Critchlow as Tom Marin, and Bianca Lawson as Maya . Mitchell had initially auditioned for the role of Spencer and then tried for Emily . The Hollywood Reporter also noted that Torrey DeVitto and Sasha Pieterse landed recurring roles in the pilot . The Alloy website later confirmed that Pieterse would be playing Alison DiLaurentis and DeVitto would be Melissa Hastings, also mentioning the casting of Janel Parrish as Mona Vanderwaal . On January 27, 2010, ABC Family picked up the series for 10 episodes, set to premiere in June 2010 . In April 2010, the role of Aria's father Byron was recast with Chad Lowe, and Holly Marie Combs was cast as Aria's mother Ella . Jenna Marshall is played by Tammin Sursok . </P>

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