1. Infection [Reviews - 1] (2255 words)
The Doctor and UNIT prepare to celebrate Christmas as Jo reaches the end of her first year and the Guinevere One Project approaches Mars. But a sinister evil intends to threaten Earth.
2. Communication [Reviews - 0] (2998 words)
As the Doctor is struck with a mysterious illness from the TARDIS, Jo and UNIT are menaced by... Santa Clauses? Meanwhile the Brigadier meets the Prime Minister and learns of an impending invasion on Christmas Day.
4. Confrontation [Reviews - 0] (1998 words)
Though the Doctor has recovered from his infections, he must still battle the Sycorax and save Earth once more. But is humankind worth saving? And will the Brigadier actually get to have his Christmas Dinner? The final chapter is here!