[s2e25] Unmasked -

The episode centers on the Liars (Aria, Emily, Hanna, and Spencer) learning the true identity of the main tormentor, "A." It is revealed that Mona Vanderwaal is A.

Pretty Little Liars season 2, episode 25, titled "UnmAsked," is the series' second season finale, which originally aired on ABC Family on March 19, 2012. The episode is highly regarded by fans for its shocking reveal and intense action, often cited as a pivotal moment in the show's history. [S2E25] Unmasked

If you're looking for more details on a , character's reaction , or want to know what happens immediately after (in Season 3), I can provide that. The episode centers on the Liars (Aria, Emily,

Authorities arrive, and it is discovered that Mona survived the fall. Dr. Sullivan diagnoses Mona with a personality disorder, and she is sent to a mental institution, Radley Sanitarium. If you're looking for more details on a

Mona reveals she became "A" to take revenge on the girls for "stealing" Hanna's friendship from her.