The BEST seasons of ThunderCats (2011)

Every season of ThunderCats (2011) ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of ThunderCats (2011)!

After Thundera is attacked by the lizard people, Lion-O leads the ThunderCats on a quest for the Book of Omens, the one artifact that could guide them to victory. But he'll have to face villains like the ancient evil sorceror Mumm-Ra and the dangerous lizard general Slithe. Luckily, he has the Sword of Omens and its amazing powers at his disposal.