Right after The Lady Killer, The camera is seen in the Halloween store. Looking at all the masks. The phone rings and we hear Shana's voice telling the caller she'll get back to them. Then "A"'s voice is heard calling for a costume order but before A says who they are the call ends.

Jason meets CeCe

Someone gets a very mysterious voicemail

Lucas has a mysterious run-in with a very familiar face -- and he has something in common with the new girl in town.

A mystery lurks around a new girl and her phone

The lights go out in the Halloween store

"A" looks at a train map...

Featuring new voice over from the all-seeing Mona, this special will recap the Liars history with “A” from the very first text message, to the most recent spotting of Red Coat.

A glimpse at what everyone’s favorite characters have been up to inside and outside of Rosewood over the past five years. The episode will feature never-before-seen scenes, backstage tours of brand new PLL sets, interviews with the cast and crew surrounding the highly anticipated time jump, including the style evolution of the Liars, and more.

Cast members Troian Bellisario, Ashley Benson, Lucy Hale, Shay Mitchell and Sasha Pieterse join series showrunner I. Marlene King for a revealing discussion of tightly held secrets, behind-the-scenes insights and memorable moments.