The Last Enemy Main cast, played by Benedict Cumberbatch Episode 1x01: Episode 1 (Feb 17, 2008) Episode 1x02: Episode 2 (Feb 24, 2008) Episode 1x03: Episode 3 (Mar 2, 2008) Episode 1x04: Episode 4 (Mar 9, 2008) Episode 1x05: Episode 5 (Mar 16, 2008)