Synopsis

Lion-O, Panthro, and Snarf ventured out in search of further fragments of the Treasure of Thundera, unaware that Mumm-Ra had laid a cunning trap. He encased them within the icy caverns of Thundera, freezing them fast. Simultaneously, on Third Earth, the Luna-tacs, desperate for an additional power source to fuel their vessel, began utilizing exercise machines. They seized the remaining Thundercats and compelled them to work the machines, generating the necessary energy. However, the Thundercats