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Given everything she's been through over the last two seasons, you can understand why Aria Montgomery is a little bit jumpy -- and as you can see in this first look video from Pretty Little Liars' season three premiere, even a routine bathroom break turns into a claustrophobic conniption fit when a hoodie-clad cypher enters the ladies.

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PHOTOS - Dig Into The Season Three Premiere

And that's just the start of the PLLs terror as creator Marlene King teases, "There is a new villain out there [who] I would say is equally as threatening, and similar but different."

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Check out the clip and tune into the season three premiere (titled It Happened That Night) on June 5 on ABC Family.