Release Message:  The Mutants arrive and Mumm-Ra (Bob McFadden) has them lure the Thundercats to a strange place where, except for Lion-O, they are all transformed into child versions of themselves.

Description:  The Mutants arrive and Mumm-Ra has them lure the Thundercats to a strange place where, except for Lion-O, they are all transformed into child versions of themselves.