Is the end of the world really nigh? A number of groups believe so – and what’s odder, they’re all vanishing. Have they really gone to heaven, or is something far worse happening? It’s Torchwood. Obviously something far worse is happening.

1. Burning Bright - When carol singers on the runway bring down a plane, Torchwood investigate.

2. Chariot of Fire - The race is on to stop the world ending at midnight. Norton has it all under control.

3. The Invisible Worm - In Moscow, the true power of Ascension is revealed.

4. We Have Built Jerusalem - It's up to Lizbeth, Andy and Gideon to save the world now.

5. Dark Satanic Mills - Come on holiday, all ye faithful! What is going on on Salisbury Plain?

6. Fearful Symmetry - As the net tightens, does the human race have one last use for Torchwood?