The “Pretty Little Liars” annual Halloween frightfest is just round the corner and star Ashley Benson is here to tease the spooky fun and also spinoff “Ravenswood.”

“I meet Miranda and I kind of have this whole adventure with her and Caleb, we try and help her find her family. We think that we see Alison, we can’t say for sure, but we’re pretty sure that we’ve seen her here. … We really are sure that we’ve seen her this time,” Benson teases.

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“There’s a lot of stuff revealed,” she adds. “You get to see all the new characters for ‘Ravenswood’ and there’s a huge, huge, huge surprise.”

Below, she talks about the awesome costumes they get to wear, plus she says the cast of “PLL” is so excited for “Ravenswood” to start.

The “Pretty Little Liars” Halloween haunting airs Tuesday, Oct. 22 at 8 p.m. ET/PT on ABC Family.