852 / 52 ThunderCats Roar Season 1 Feb. 22, 2020 ThunderCats Roar Season 1 IMDb: 8 2020 10834 views Watch ThunderCats Roar Season 1 full episode online free kisscartoon.app. Storyline: Lion-O and the ThunderCats Tygra, Panthro, Cheetara, Wilykat ... Action & AdventureAnimationComedySci-Fi & Fantasy