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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.
First Air Date : Jan 23, 1985
Last Air date : Sep 29, 1989
Episode : 130 Episode
Season : 4 Season
Runtime: 22:14 minutes
Studio: Syndication
Country: United States of America, Japan