<Tr> <Th> 20 </Th> <Td> 20 </Td> <Td> "Someone to Watch Over Me" </Td> <Td> Arlene Sanford </Td> <Td> Joseph Dougherty </Td> <Td> March 7, 2011 (2011 - 03 - 07) </Td> <Td> 2.95 </Td> </Tr> <Tr> <Td_colspan="7"> <P> As the heat is turned up on the suspicions surrounding Spencer, the girls must come to the reality that they aren't the only ones hiding secrets in Rosewood . Emily and Aria overhear Caleb arguing with someone on the phone about Hanna . They tell Hanna they believe it was a girl, and soon they see Jenna with a pendant Hanna thought Caleb intended for her--and which turns out to be a flash drive . Hanna confronts Caleb, who says he's been spying for Jenna and she kicks him out of the house for good . Later, Hanna runs into Jenna in the school restroom and slaps her . Jenna cries, and this is the second time we see her face . Aria's mom finds out Aria is dating someone, and tries to find out whom . Aria's dad soon joins in the investigation and nearly finds out about Ezra, until Aria's parents fight over whether they should pry into Aria's life, reversing their reconciliation . Ian encourages Spencer to run away, and Toby asks her not to . Spencer's mother tells Spencer that the police have new evidence against her, but that she thinks Spencer is innocent . Emily and Paige reconcile after Paige reconciles herself to being gay . </P>' A' ending:' A' smashes a glass heart with Hanna's name on it, and puts it in a box with a letter to Hanna . </Td> </Tr> <P> As the heat is turned up on the suspicions surrounding Spencer, the girls must come to the reality that they aren't the only ones hiding secrets in Rosewood . Emily and Aria overhear Caleb arguing with someone on the phone about Hanna . They tell Hanna they believe it was a girl, and soon they see Jenna with a pendant Hanna thought Caleb intended for her--and which turns out to be a flash drive . Hanna confronts Caleb, who says he's been spying for Jenna and she kicks him out of the house for good . Later, Hanna runs into Jenna in the school restroom and slaps her . Jenna cries, and this is the second time we see her face . Aria's mom finds out Aria is dating someone, and tries to find out whom . Aria's dad soon joins in the investigation and nearly finds out about Ezra, until Aria's parents fight over whether they should pry into Aria's life, reversing their reconciliation . Ian encourages Spencer to run away, and Toby asks her not to . Spencer's mother tells Spencer that the police have new evidence against her, but that she thinks Spencer is innocent . Emily and Paige reconcile after Paige reconciles herself to being gay . </P> <Tr> <Th> 21 </Th> <Td> 21 </Td> <Td> "Monsters in the End" </Td> <Td> Chris Grismer </Td> <Td> Oliver Goldstick </Td> <Td> March 14, 2011 (2011 - 03 - 14) </Td> <Td> 2.94 </Td> </Tr>

Who is a in pretty little liars first season