In the world of Pretty Little Liars, the truth is a dangerous thing. The teachers might get more than they bargained for when Rosewood High sponsors a "truth up" day on Season 2, Episode 19: "The Naked Truth."

With everyone the Liars distrust locked in one place (Jason's [Drew Van Acker] even back!), being forced to open up, things are sure to get juicy. Watch the tantalizing Canadian promo for the episode here:

Credit: YouTube Photo: Pretty Little Liars Canadian Preview: Season 2, Episode 19

Be sure to tune in for the next episode of Pretty Little Liars on Monday, February 6 at 8 pm ET/PT on ABC Family.

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