The Amatuer's Games

 is the second episode of Season 2.

Plot
The Liars bump into a new girl in town, Alison DiLaurentis. She was CeCe's best friend before CeCe went missing. Can Ali help them find out more about "Cc" and CeCe's murder?

Trivia

 * 1) Alison DiLaurentis appeared in this episode.
 * 2) None of the other Liars knew about Alison. CeCe never told them.

Quote
"You guys were friends with Mona?? Didn't you know CeCe received some threatening text messages from her the week before she was murdered? -Alison"

(The liars exchange glances.)