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Pretty Little Liars

ABC Family/Ron Tom

"You just can't be ready for it."


That's what Pretty Little Liars boss Marlene King tweeted about Tuesday's epic season five finale, "Welcome to the Dollhouse," which will finally reveal the ABC Family hit's biggest mystery: who the heck is "Big A"?!

And while you probably won't every be fully ready for it, you can prepare yourself as much as possible, and we're here to help. We recruited Marlene King to pick the five episodes PLL fans should rewatch, pause and rewind to look for clues during right now, the ones that are the most essential to check out before watching the finale.

Pretty Little Liars, How the 'A' Stole Christmas

ABC Family/Eric McCandless

Marlene King's List of the 5 Episodes to Rewatch:

1. "It Happened 'That Night,'" season three, episode 1
2. "A Dangerous Game," season three, episode 24
3. "A Is for Answers," season four, episode 24
4. "Taking This One to the Grave," season five, episode 12 
5. "How the 'A' Stole Christmas," season five, episode 13 

Well, what are you waiting for? Go binge-watch these five episodes now and then come back and share the clues you find and theories you come up with us in the comments below.

Pretty Little Liars' finale airs Tuesday, March 24 at 8 p.m. on ABC Family.