All is not well on Thundera. As the dying planet begins to crumble, its desperate inhabitants flee aboard their spacecraft. On the way, they are attacked by evil mutants, causing them to crash land on Third Earth. Their ship is destroyed, but thanks to Jaga's heroism, the surviving Thundercats emerge unharmed. Now, on a strange new planet, Panthro, Cheetara, Tygra, Wilykit, Wilykat, Snarf and Lion-O, guided by the Sword of Omens, face a whole new danger and must fight for their very existence. This box set contains the first volume of episodes from Series 1 of the popular 1980s cartoon.