Lion-O and Hachiman are reconciled and the ThunderCats close in on rescuing the Thunderians from Fire Rock Mountain. But they'll need supernatural help if they are to pass through the Thundranium gasses to reach them.
| Creator | Theodore Walter Wolf |
|---|---|
| Actor | Larry Kenney, Peter Newman, Earle Hyman |
| Country | United States of America, Japan |
| Production | Rankin/Bass Productions |
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