After Grim's robe comes out of the washing machine, Billy and Mandy find Thromnambular, a talking skull with ruby eyes and a number nine imprinted on his forehead. Grim tells them that the skull is a magical artifact imprisoned on Earth that must grant his nine wishes to be free. When Mandy asks Grim why he has not used any of the wishes, Grim tells her that the skull will corrupt the wishes and end up affecting the wisher.
| Title | The Grim Adventures of Billy and Mandy - Season 4 Episode 10 Wishbones |
|---|---|
| Year | 2007 |
| Genre | Animation, Comedy, Kids |
| Country | United States of America |
| Studio | Cartoon Network |
| Cast | Greg Eagles, Richard Steven Horvitz, Grey DeLisle, Vanessa Marshall |
| Crew | Brian A. Miller (Executive Producer), Gregory Hinde (Music), Drew Neumann (Music), Jay Bastian (Executive Producer) |
| Alternative Titles | Die gruseligen Abenteuer von Billy & Mandy, Las macabras aventuras de Billy y Mandy, Grim & Evil, Las sombrías aventuras de Billy y Mandy, The Grim Adventures of Billy |
| Keyword | grim reaper, spin off |
| First Air Date | Aug 24, 2001 |
| Last Air date | Nov 09, 2007 |
| Season | 7 Season |
| Episode | 184 Episode |
| Runtime | 11:7 minutes |
| Quality | HD |
| IMDb: | 8.00/ 10 by 944.00 users |
| Popularity | 111.735 |
| Language | English |
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