Kevin deciphers the demon tablet and figures out how to close the gates of Hell. He tells Sam and Dean that according to the tablet one person must face a series of three trials, and the first one is to kill a hellhound.
| Title | Trial and Error |
|---|---|
| Genres | Drama Mystery Sci-Fi & Fantasy |
| Release Date | 2013-02-13 |
| Episode Runtime | 00 Hours 45 Minutes |
| Season Number | 8 |
| Episode Number | 14 |
| Production Companies | Kripke Enterprises, Supernatural Pictures, Wonderland Sound and Vision, Warner Bros. Television |
