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.
6.9
5.9
5.2
N/A
N/A
N/A
N/A
N/A
7.3
5.3
5.4
6.2
N/A
N/A
N/A
N/A 
