Pretty Little Liars S01E04, The liars take matters into their own hands and try to put a stop to “A” by blocking all unknown users, but their problems are far from over. Written by ABC Publicity

Pretty Little Liars S01E03, The girls try to pay tribute to Alison’s memory, but they are still faced with unresolved issues. Emily and Maya get closer and Spencer copies her sister’s essay and puts it as her own when she can’t think of anything to write.

Pretty Little Liars S01E01, One year after the mysterious disappearance of Alison Dilaurentis, her friends believe their secrets are safe forever, but the truth may be only one text away.