The ThunderCats must infiltrate the mines of Mount Plundarr where Ratar-O is holding Cats as slaves. There they learn the legend of the Sword of Plundarr, which they must now retrieve while also freeing their people.
About the series:
The ThunderCats are on the move! After the kingdom of Thundera is attacked by the lizard people, Lion-O leads Tygra, Cheetara and the other heroes on a quest for the Book of Omens and the magic stones of legend. But he'll have to face villains like Mumm-Ra, the ancient evil sorceror, and Slithe, the dangerous lizard general. Luckily, he has the Sword of Omens and its amazing powers at his disposal. Watch free online videos and get free downloads from ThunderCats on Cartoon Network. ThunderCats, ho!