47 minutes
When the the Sontarans plan to invade earth, the Doctor must stop them.
info
| Person | Character |
|---|---|
| David Tennant | The Doctor |
| Catherine Tate | Donna Noble |
| Freema Agyeman | Martha Jones |
| Person | Position |
|---|---|
| Helen Raynor | Writer |
| Douglas Mackinnon | Director |