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.
Jim and Carlos are accused of concealing an alien abduction when they probe the death of a millionaire who left his fortune to a group of UFO buffs.
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.
American soldiers stationed in England encounter unexplained lights in the forest and are given 'shoot on sight' orders.
The Cold War is on and there's an orange light hovering over an Air Force base.
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.
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