| Vengeance Sevenfold | |
| Writer: | Steven Moffat |
| Story number: | 5.13 |
| Enemy: | The Seventh Master, Avatars |
| Setting: | 21st Century London |
| Format: | 1x45 minute format |
| Previous Story: | Tree Of Life |
| Following Story: | - |
Synopsis
"This was your fault, Doctor." - The Master
The Avatar invasion has begun, and humanity is being slaughtered. The Master has started to build an army that will conquer the Universe, and his next target is - Gallifery.