The Thundercats' worst nightmare comes true when their worst enemies, Mumm-Ra and The Mutants, team up after Mumm-Ra acquires The Sword of Plun-Darr!
| Name | Type | Role | |
|---|---|---|---|
| Joan Ford | Writer | ||
| Bryan Condon | Writer | ||
| Liz Marshall | Producer | ||
| Victor Courtright | Producer | ||
| Nate Cash | Producer | ||
| Marly Halpern-Graser | Producer | ||
| Jim Meskimen | Guest Star | ||
| Trevor Devall | Guest Star | ||
| Andrew Kishino | Guest Star | ||
| Dana Snyder | Guest Star | ||
| George Kaprielian | Director |