The Poison Sky (2)
| Episode Number | 5 |
|---|---|
| Season | 4 |
| Aired | 2008-05-03 |
| Overview | As the Sontarans choke the Earth, the Doctor and UNIT battle to keep both Martha and Donna alive. |
| Runtime | 45 minutes |
| Absolute Number | 47 |
| Finale Type |
| Episode Number | 5 |
|---|---|
| Season | 4 |
| Aired | 2008-05-03 |
| Overview | As the Sontarans choke the Earth, the Doctor and UNIT battle to keep both Martha and Donna alive. |
| Runtime | 45 minutes |
| Absolute Number | 47 |
| Finale Type |