Lion-O is tormented by recurring nightmares of Thunderians being slaughtered on Thundera as he fled to Third Earth with Jaga and other ThunderCats. Jaga reveals that three more ThunderCats have survived and are living on Third Earth. The ThunderCats embark on a mission to find the new Thunderians, but Mumm-Ra has his own plans and captures them at Fire Rock Mountain.
Thundercats Ho! The Movie
Lion-O struggles with the haunting memories of Thunderians slaughtered on Thundera as he escaped to Third Earth with Jaga and the other surviving ThunderCats.
