Why is the episode 9 season 1 of "Colony" called "Zero Day"? Is this some reference to Columbine High School massacre that inspired filming a movie called "Zero Day"? Or is it related to revolution? "restarting and going all over again" in fighting with aliens?
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"These were the locations of four of the largest "Zero Day" attacks". Transcript – user7812 Mar 13 '16 at 7:58
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en.wikipedia.org/wiki/Zero-day_(computing) – user7812 Mar 13 '16 at 7:59
Notably, the opening scene scrawl for this episode reads "366 days". Families are releasing sky lanterns with the faces of other people who are not there attached to them; those others are likely missing or dead. The families are mourning together.
We would assume "Zero Day" refers to the annual anniversary of the public exposure to the alien invasion; specifically, the day the walls came down, during which many were likely killed or separated.
The episode (or part of it) takes place on this "Zero Day" anniversary.
