TV movie about a cyber attack that plunges the United States into darkness.
Watch • 7 p.m. Sunday, National Geographic Channel
Dana makes a shocking discovery.
Watch • 10 p.m. Sunday, Showtime
The Week Ahead
Peter holds a teenager hostage on Halloween.
Watch • 8:30 p.m. Tuesday, ABC/Ch. 4
Dean and Sam find an ancient computer that may help them track angels.
Watch • 8 p.m. Tuesday, The CW/Ch. 30