Season 1 · Episode 2
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Massacre at Columbine High
Thu, Feb 21, 2013
·
50 min
This episode covers the final hour leading up to the Columbine High Massacre.
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Airs
Thu, Feb 21, 2013
50 min
Show
Zero Hour
16 episodes
Episode
S1 · E2
in Zero Hour
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S1 · E3
The Last Hour of Flight 11
Thu, Feb 28, 2013