: The ThunderCats need a fuel source for the Thundertank. Panthro leads them to a mine he knows well from his past.
: Established as a tragic but formidable villain who chose power over loyalty. Watch ThunderCats 2011 S01E05
: Flashbacks show Panthro and Grune as close brothers-in-arms serving King Claudis. : The ThunderCats need a fuel source for the Thundertank