Episode #1.6
- Episode aired Dec 18, 2003
- 15m
After the Shalka unleash their plan to destroy Earth's atmosphere, the Doctor and Alison must find a way to defeat them and save humanity.After the Shalka unleash their plan to destroy Earth's atmosphere, the Doctor and Alison must find a way to defeat them and save humanity.After the Shalka unleash their plan to destroy Earth's atmosphere, the Doctor and Alison must find a way to defeat them and save humanity.