When the initial Cylon attack against the Twelve Colonies fails to achieve complete extermination of human life as planned, twin Number Ones (Cavils) embedded on Galactica and Caprica must improvise to destroy the human survivors.
2006
1965
1986
2024
1984
2003
2021
2002
2008
1942
1996
2000
1979
2009
1999