The ThunderCats face the greatest threat of their lives: Grune the Destroyer! He's the ghost of an evil ThunderCat and he wants revenge! How are They Gonna Beat Grune??? You'll have to watch the episode!
| Name | Type | Role | |
|---|---|---|---|
| Marly Halpern-Graser | Writer | ||
| Laura Sreebny | Writer | ||
| Liz Marshall | Producer | ||
| Nate Cash | Producer | ||
| Marly Halpern-Graser | Producer | ||
| Jim Meskimen | Guest Star | Hurrick | |
| Trevor Devall | Guest Star | Bundun | |
| Larry Kenney | Guest Star | Jaga | |
| Sam Register | Executive Producer | ||
| Victor Courtright | Executive Producer | ||
| Megan Boyd | Director |