Every season of ThunderCats ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of ThunderCats!

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.

The Best Seasons of ThunderCats

Every season of ThunderCats ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of ThunderCats!