I Know What You Did Last Summer (Supernatural episode)
| Supernatural episode | |
|---|---|
| “I Know What You Did Last Summer” | |
| Episode no. | Season 4 Episode 9 (#69) |
| Writer(s) | Sera Gamble |
| Director | Charles Beeson |
| Production no. | |
| Original airdate | Nov. 13, 2008 |
| Episode chronology | |
| ← Previous | Next → |
| "Wishful Thinking" | "Heaven and Hell" |