Muriel's mattress has a demon.
| Title | The Demon in the Mattress |
|---|---|
| Genres | Animation Family Sci-Fi & Fantasy Comedy Kids |
| Release Date | 1999-12-03 |
| Episode Runtime | 00 Hours 11 Minutes |
| Season Number | 1 |
| Episode Number | 7 |
| Production Companies | Stretch Films |
