Pretty Little Liars' fans should put those thinking caps on, 'A's identity is almost within your grasp.

An Eighth Year Of 'Pretty Little Liars' Possible? Marlene King Hints At Post-A Storyline

The man/woman behind Rosewood's persistent murder and mayhem won't be officially revealed until season 6, but series creator Marlene King is confidant the season 5 finale will lead many fans to the right conclusion.

"I think more and more people will guess it correctly and begin to wrap their brains around the why of it all," King said on Friday.

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With only four episodes left until "Welcome to the Dollhouse," expectations are running high amongst Liars devotes. King believes the March 24 installment will not leave viewers wanting.

"I believe whole heArtedly that u will love the finale," King tweeted on Friday. "It is the MOST IMPORTANT EPISODE of PLL ever."

If 'A' isn't about to lift the veil on his/her deadly charade, than what will go down during "Welcome to the Dollhouse"? It's clear 'A's intentions will become more transparent than ever, but it remains to be seen how many bodies may have to drop in exchange for that info.

Find out more when Pretty Little Liars airs Tuesdays at 8 p.m. ET on ABC Family. Click the video below toe see a preview for the series' next episode, "Bloody Hell."

Tags: pretty little liars television ABC Family