<Tr> <Td_colspan="7"> <P> A terrible storm comes to Rosewood, and all of the students are trapped in school . Emily reveals a secret after she's accused of killing Alison . Just as Aria is about to give dating Noel a chance, Ezra returns . Byron leans on Ashley for advice as his relationship with Ella only gets worse . Meanwhile, Spencer discovers something that her mother has been keeping from her . And at the end of the episode, Lucas tries to tell Hanna something . We see his shoes are dirty, suggesting that he was at Alison's memorial . </P>' A' ending:' A' sends a file containing video footage of Alison the day she disappeared, to Rosewood Police Department . </Td> </Tr> <P> A terrible storm comes to Rosewood, and all of the students are trapped in school . Emily reveals a secret after she's accused of killing Alison . Just as Aria is about to give dating Noel a chance, Ezra returns . Byron leans on Ashley for advice as his relationship with Ella only gets worse . Meanwhile, Spencer discovers something that her mother has been keeping from her . And at the end of the episode, Lucas tries to tell Hanna something . We see his shoes are dirty, suggesting that he was at Alison's memorial . </P> <Tr> <Th> 10 </Th> <Td> 10 </Td> <Td> "Keep Your Friends Close" </Td> <Td> Ron Lagomarsino </Td> <Td> I. Marlene King </Td> <Td> August 10, 2010 (2010 - 08 - 10) </Td> <Td> 3.07 </Td> </Tr> <Tr> <Td_colspan="7"> <P> When new evidence leads the FBI to believe that Toby killed Alison, he tries to tell Emily his side of the story yet she rats him out . Spencer tries to mend fences with her sister Melissa, just as her ex-boyfriend Ian returns . Emily's dad comes back from his deployment and her mother was sent a picture of Emily and Maya kissing . Aria begins to develop feelings for Noel, which complicates her relationship with Ezra even more, until Ezra admits his feelings for her and they kiss with Hanna watching as she keeps post to find out who "A" is . Ashley's financial problems are bringing her to the brink . Meanwhile, the girls go "glamping" for Mona's birthday in hopes of closing in on "A", but when "A" 's identity is revealed to Hanna, "A" runs her over with a car before she gets a chance to tell the others . </P>' A' ending:' A' looks at the video of Alison at the Kissing Rock and it is revealed that Ian Thomas was with her . </Td> </Tr>

How old were the cast of pretty little liars in season 1