How to Save a Life
| Episode Number | 21 |
|---|---|
| Season | 11 |
| Aired | 2015-04-23 |
| Overview | Derek witnesses a horrible car accident and springs into action to save lives. |
| Runtime | 44 minutes |
| Absolute Number | 241 |
| Finale Type |
| Episode Number | 21 |
|---|---|
| Season | 11 |
| Aired | 2015-04-23 |
| Overview | Derek witnesses a horrible car accident and springs into action to save lives. |
| Runtime | 44 minutes |
| Absolute Number | 241 |
| Finale Type |