It's been a year since The Master unleashed the mysterious Toclafane onto Earth. With the human race and The Doctor enslaved under The Master's control, Martha Jones is the only person that can help stop the evil Time Lord.
Episode rating
Cast of episode
- The Doctor
- Martha Jones
- Captain Jack Harkness
- The Master
- Francine Jones
- Tish Jones
- Clive Jones
- Leo Jones
- Lucy Saxon
- Thomas Milligan
- Professor Docherty
- Lad
- Woman
- Sphere Voice
- Sphere Voice
- Sphere Voice
- Unit Soldier
- Dalek
- Cyberman
- The Master
- Dalek
- Worker