Gridlock
| Episode Number | 3 |
|---|---|
| Season | 3 |
| Aired | 2007-04-14 |
| Overview | The Doctor takes Martha to New Earth, in the far future, only to find that an entire city has become a deadly trap. |
| Runtime | 45 minutes |
| Absolute Number | 31 |
| Finale Type |
| Episode Number | 3 |
|---|---|
| Season | 3 |
| Aired | 2007-04-14 |
| Overview | The Doctor takes Martha to New Earth, in the far future, only to find that an entire city has become a deadly trap. |
| Runtime | 45 minutes |
| Absolute Number | 31 |
| Finale Type |