VIDEO: Sneak Peek - 'The Silence of E. Lamb' on Next PRETTY LITTLE LIARS

Aria and Spencer go to great lengths to get answers, while Emily and Hanna are put in uncomfortable positions in "The Silence of E. Lamb," an all-new episode of ABC Family's hit original series "Pretty Little Liars," premiering Tuesday, July 22nd (8:00 – 9:00 PM ET/PT). Check out clips from the episode below!

Aria begins her volunteer work at Radley and quickly gets down to business finding any answers she can about a patient of interest to the Liars. But she quickly hits a snag when she comes across an aggressive patient that may be the key to what the Liars are looking for. Also searching for answers, Spencer takes a note from Ezra's play book by borrowing some of his spy equipment to keep a closer eye on the home front.

Meanwhile, Hanna is caught at odds when Ali and Caleb butt heads, and Emily seeks help from her friends when her mom invites Ali over for dinner. 

"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.

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