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.
| Title | I Know What You Did Last Summer |
|---|---|
| Genres | Drama Mystery Sci-Fi & Fantasy |
| Release Date | 2008-11-13 |
| Episode Runtime | 00 Hours 45 Minutes |
| Season Number | 4 |
| Episode Number | 9 |
| Production Companies | Kripke Enterprises, Supernatural Pictures, Wonderland Sound and Vision, Warner Bros. Television |
