<P> Pretty Little Liars is an American teen drama mystery thriller television series developed by I. Marlene King , loosely based on the popular book series of the same name written by Sara Shepard . The show premiered on June 8 , 2010 on ABC Family and ended on June 27 , 2017 . After an initial order of 10 episodes , ABC Family ordered an additional 12 episodes for season one on June 28 , 2010 . These episodes began airing on January 3 , 2011 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 . </P>
<P> Pretty Little Liars is an American teen drama mystery thriller television series developed by I. Marlene King , loosely based on the popular book series of the same name written by Sara Shepard . The show premiered on June 8 , 2010 on ABC Family and ended on June 27 , 2017 . After an initial order of 10 episodes , ABC Family ordered an additional 12 episodes for season one on June 28 , 2010 . These episodes began airing on January 3 , 2011 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 . </P>
when did the first pretty little liars air
when did the first pretty little liars air
June 8 , 2010
June 8 , 2010