I Know What You Did Last Summer
| Episode Number | 9 |
|---|---|
| Season | 4 |
| Aired | 2008-11-13 |
| Overview | What happened to Sam during the months Dean was dead? During the search for a girl named Anna Milton, who has a mysterious connection to angels, Sam reveals the astonishing events of the summer. |
| Runtime | 42 minutes |
| Absolute Number | 69 |
| Finale Type |