VIDEO: Sneak Peek - PRETTY LITTLE LIARS Spring Finale

It's the beginning of all the answers with the biggest "A" reveal ever (#BigAReveal) in "Welcome to the Dollhouse," the explosive season finale of ABC Family's hit original series "Pretty Little Liars," premieringTuesday, March 24th (8:00 – 9:00 PM ET/PT). Watch a sneak peek below!

"A" has always had fun playing with Aria, Emily, Hanna and Spencer, but now "they" have the biggest game to date in store for the girls. As shocking secrets come to light and the biggest clue to the "A" mystery is revealed, is this one plAydate the Liars can survive?

"Pretty Little Liars" is produced by Alloy Entertainment in association with Warner Horizon Television and is executive produced by I. Marlene King, Oliver Goldstick, Leslie Morgenstein and Joseph Dougherty. The series stars Troian Bellisario, Ashley Benson, Tyler Blackburn, Lucy Hale, Ian Harding, Laura Leighton, Shay Mitchell, Janel Parrish and Sasha Pieterse.

Part of the Disney/ABC Television Group, ABC Family is distributed in over 97 million homes. ABC Family features programming reflecting today's families, entertaining and connecting with adults through relatable programming about today's relationships – told with a mix of diversity, passion, humor and heart. ABC Family's programming is a combination of network-defining original series and original movies, quality acquired series and blockbuster theatricals. For 2014, ABC Family has launched the "WATCH ABC Family" authenticated service which allows viewers with participating TV subscription services access to 24/7 live viewing of the network, as well as continued on demand access to such popular series at home and on the go via a wide array of devices. ABC Family is also the destination for annual Holiday events with "13 Nights of Halloween" and "25 Days of Christmas." ABC Family. A New Kind of Family.