火炬木小组第二季深入探索，揭开自然奥秘，感受生命的奇迹。什么是投名状

　　Torchwood Declassified is a documentary series created by the British Broadcasting Corporation to complement the British science fiction television series Torchwood. Each episode is broadcast on the same evening as the broadcast of the weekly television episode. A second series of Declassified aired alongside the second series of Torchwood.