After trying to rescue a man on the subway tracks, two teens wake up in a room dominated by a mysterious black sphere that sends them to hunt down and kill aliens hiding on Earth.
6.2
N/A
5.1
6.1
6.0
N/A
N/A
N/A
N/A
5.7
N/A
7.6
N/A
8.1
N/A
N/A 
