Shana returns with a message from Ali, but Emily and the girls don't trust Shana. Meanwhile, Aria and Hanna contend with matters of the heart.
SCHOOL'S OUT: APRIL 6, 1966 ? It's 11am at a school in Australia when a classroom of students playing outside see a saucer-shaped object in a field. CHRISTMAS LIGHTS: NOVEMBER 25, 2009 -- On a short drive home from his work hen he notices strange lights.
It's 1975 at Loring Air Force Base--the largest strategic Air Force base in America and a repository for nuclear weapons. Military officers at the base witness something unexplained.
Police officers spot a flying object that seems to change shape as it travels.
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