Winter TV Preview: All the New and Returning Midseason Shows

"Pretty Little Liars" (ABC Family, January 8)

Earlier this year, it was revealed that teen tormenter "A" had turned into the "A" team. Now Aria, Hanna, Spencer, and Emily will have to contend with the fact that Mona and Toby aren't their only foes, since there appears to be at least one more black-hooded adversary to contend with in Rosewood.

"Pretty Little Liars" (ABC Family, January 8)

Earlier this year, it was revealed that teen tormenter "A" had turned into the "A" team. Now Aria, Hanna, Spencer, and Emily will have to contend with the fact that Mona and Toby aren't their only foes, since there appears to be at least one more black-hooded adversary to contend with in Rosewood.